Home / 12,380.25-18,572.13-4,060.91

Finding the Fourth Proportional to 12,380.25, 18,572.13 and 4,060.91

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Solution

The fourth proportional to 12,380.25, 18,572.13 and 4,060.91 is: 6,091.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,380.25 : 18,572.13 = 4,060.91 : x
  2. Step 2: Convert to fraction form
    12,380.25/18,572.13 = 4,060.91/x
  3. Step 3: Cross multiply
    12,380.25x = 18,572.13 × 4,060.91
  4. Step 4: Simplify right side
    12,380.25x = 75,419,810.10
  5. Step 5: Solve for x
    x = 75,419,810.10/12,380.25
  6. Step 6: Final answer
    x = 6,091.95

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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.