Home / 18,472.59-27,726.17-9,123.17

Finding the Fourth Proportional to 18,472.59, 27,726.17 and 9,123.17

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Solution

The fourth proportional to 18,472.59, 27,726.17 and 9,123.17 is: 13,693.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,472.59 : 27,726.17 = 9,123.17 : x
  2. Step 2: Convert to fraction form
    18,472.59/27,726.17 = 9,123.17/x
  3. Step 3: Cross multiply
    18,472.59x = 27,726.17 × 9,123.17
  4. Step 4: Simplify right side
    18,472.59x = 252,950,378.11
  5. Step 5: Solve for x
    x = 252,950,378.11/18,472.59
  6. Step 6: Final answer
    x = 13,693.28

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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.