Cross Product Property

Definition of Cross Product Property

• Cross product property states that 'in a proportion, product of the means is equal to the product of the extremes.'
• In the proportion , b and c are the means and a and d are the extremes.

So, the cross product is: ad = bc.

Examples of Cross Product Property

• The cross product of the proportion shown is

5 × 36 = 12 × 15

Solved Example on Cross Product Property

Solve  using cross product property.

Choices:

A. 33

B. 3

C. 11

D. 1

Correct Answer: D

Solution:

Step 1: As per the cross product property,

implies 3 × 11 = n × 33.

Step 2: So, n = 1.

Related Terms for Cross Product Property

• Means
• Extremes

 

Additional Links for Cross Product Property

• Click here for samples
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