Home / 21,306.12-31,942.71-14,713.26

Finding the Fourth Proportional to 21,306.12, 31,942.71 and 14,713.26

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Solution

The fourth proportional to 21,306.12, 31,942.71 and 14,713.26 is: 22,058.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,306.12 : 31,942.71 = 14,713.26 : x
  2. Step 2: Convert to fraction form
    21,306.12/31,942.71 = 14,713.26/x
  3. Step 3: Cross multiply
    21,306.12x = 31,942.71 × 14,713.26
  4. Step 4: Simplify right side
    21,306.12x = 469,981,397.33
  5. Step 5: Solve for x
    x = 469,981,397.33/21,306.12
  6. Step 6: Final answer
    x = 22,058.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.