Home / 22,686.28-34,039.17-7,887.13

Finding the Fourth Proportional to 22,686.28, 34,039.17 and 7,887.13

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Solution

The fourth proportional to 22,686.28, 34,039.17 and 7,887.13 is: 11,834.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,686.28 : 34,039.17 = 7,887.13 : x
  2. Step 2: Convert to fraction form
    22,686.28/34,039.17 = 7,887.13/x
  3. Step 3: Cross multiply
    22,686.28x = 34,039.17 × 7,887.13
  4. Step 4: Simplify right side
    22,686.28x = 268,471,273.78
  5. Step 5: Solve for x
    x = 268,471,273.78/22,686.28
  6. Step 6: Final answer
    x = 11,834.08

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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.