Question

If 4:3 and 𝑥:18 are in proportion, then find the value of ‘𝑥’.

Answer 1

Product of extremes = 4 × 18 = 72.
Product of means = x × 3 = 3x.
Thus by proportionality law, the product of extremes = product of means.
3x = 72
Thus, x = 72/3
Hence, x = 24