Home / 16,285.57-22,474.49-9,115.43

Finding the Fourth Proportional to 16,285.57, 22,474.49 and 9,115.43

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Solution

The fourth proportional to 16,285.57, 22,474.49 and 9,115.43 is: 12,579.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,285.57 : 22,474.49 = 9,115.43 : x
  2. Step 2: Convert to fraction form
    16,285.57/22,474.49 = 9,115.43/x
  3. Step 3: Cross multiply
    16,285.57x = 22,474.49 × 9,115.43
  4. Step 4: Simplify right side
    16,285.57x = 204,864,640.38
  5. Step 5: Solve for x
    x = 204,864,640.38/16,285.57
  6. Step 6: Final answer
    x = 12,579.52

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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.