Question

If the ratios 2 : 4 and 6 : 𝑥 are in proportion, what is the value of 𝑥?

• A. 12
• B. 8
• C. 4
• D. 16

Answer 1

The correct option is A 12

Product of Extremes = Product of Means
⟹ 2 × 𝑥 = 4 × 6
⟹ 𝑥 = $\frac{4\times 6}{2}$
⟹ 𝑥 = 2 × 6
⟹ 𝑥 = 12