Home / 19,908.38-29,862.57-9,371.85

Finding the Fourth Proportional to 19,908.38, 29,862.57 and 9,371.85

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Solution

The fourth proportional to 19,908.38, 29,862.57 and 9,371.85 is: 14,057.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,908.38 : 29,862.57 = 9,371.85 : x
  2. Step 2: Convert to fraction form
    19,908.38/29,862.57 = 9,371.85/x
  3. Step 3: Cross multiply
    19,908.38x = 29,862.57 × 9,371.85
  4. Step 4: Simplify right side
    19,908.38x = 279,867,617.79
  5. Step 5: Solve for x
    x = 279,867,617.79/19,908.38
  6. Step 6: Final answer
    x = 14,057.78

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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.