Home / 16,251.38-22,428.56-11,717.79

Finding the Fourth Proportional to 16,251.38, 22,428.56 and 11,717.79

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Solution

The fourth proportional to 16,251.38, 22,428.56 and 11,717.79 is: 16,171.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,251.38 : 22,428.56 = 11,717.79 : x
  2. Step 2: Convert to fraction form
    16,251.38/22,428.56 = 11,717.79/x
  3. Step 3: Cross multiply
    16,251.38x = 22,428.56 × 11,717.79
  4. Step 4: Simplify right side
    16,251.38x = 262,813,097.49
  5. Step 5: Solve for x
    x = 262,813,097.49/16,251.38
  6. Step 6: Final answer
    x = 16,171.75

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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.