Home / 22,715.60-34,073.42-7,920.95

Finding the Fourth Proportional to 22,715.60, 34,073.42 and 7,920.95

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Solution

The fourth proportional to 22,715.60, 34,073.42 and 7,920.95 is: 11,881.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,715.60 : 34,073.42 = 7,920.95 : x
  2. Step 2: Convert to fraction form
    22,715.60/34,073.42 = 7,920.95/x
  3. Step 3: Cross multiply
    22,715.60x = 34,073.42 × 7,920.95
  4. Step 4: Simplify right side
    22,715.60x = 269,893,646.18
  5. Step 5: Solve for x
    x = 269,893,646.18/22,715.60
  6. Step 6: Final answer
    x = 11,881.43

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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.