Home / 22,713.39-31,344.25-12,641.66

Finding the Fourth Proportional to 22,713.39, 31,344.25 and 12,641.66

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Solution

The fourth proportional to 22,713.39, 31,344.25 and 12,641.66 is: 17,445.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,713.39 : 31,344.25 = 12,641.66 : x
  2. Step 2: Convert to fraction form
    22,713.39/31,344.25 = 12,641.66/x
  3. Step 3: Cross multiply
    22,713.39x = 31,344.25 × 12,641.66
  4. Step 4: Simplify right side
    22,713.39x = 396,243,351.46
  5. Step 5: Solve for x
    x = 396,243,351.46/22,713.39
  6. Step 6: Final answer
    x = 17,445.36

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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.