Home / 21,613.91-29,851.80-14,528.03

Finding the Fourth Proportional to 21,613.91, 29,851.80 and 14,528.03

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Solution

The fourth proportional to 21,613.91, 29,851.80 and 14,528.03 is: 20,065.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,613.91 : 29,851.80 = 14,528.03 : x
  2. Step 2: Convert to fraction form
    21,613.91/29,851.80 = 14,528.03/x
  3. Step 3: Cross multiply
    21,613.91x = 29,851.80 × 14,528.03
  4. Step 4: Simplify right side
    21,613.91x = 433,687,661.37
  5. Step 5: Solve for x
    x = 433,687,661.37/21,613.91
  6. Step 6: Final answer
    x = 20,065.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.