Home / 22,565.70-31,139.57-12,493.95

Finding the Fourth Proportional to 22,565.70, 31,139.57 and 12,493.95

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Solution

The fourth proportional to 22,565.70, 31,139.57 and 12,493.95 is: 17,241.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,565.70 : 31,139.57 = 12,493.95 : x
  2. Step 2: Convert to fraction form
    22,565.70/31,139.57 = 12,493.95/x
  3. Step 3: Cross multiply
    22,565.70x = 31,139.57 × 12,493.95
  4. Step 4: Simplify right side
    22,565.70x = 389,056,168.13
  5. Step 5: Solve for x
    x = 389,056,168.13/22,565.70
  6. Step 6: Final answer
    x = 17,241.04

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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.