Home / 20,010.73-30,024.17-8,909.83

Finding the Fourth Proportional to 20,010.73, 30,024.17 and 8,909.83

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Solution

The fourth proportional to 20,010.73, 30,024.17 and 8,909.83 is: 13,368.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,010.73 : 30,024.17 = 8,909.83 : x
  2. Step 2: Convert to fraction form
    20,010.73/30,024.17 = 8,909.83/x
  3. Step 3: Cross multiply
    20,010.73x = 30,024.17 × 8,909.83
  4. Step 4: Simplify right side
    20,010.73x = 267,510,250.59
  5. Step 5: Solve for x
    x = 267,510,250.59/20,010.73
  6. Step 6: Final answer
    x = 13,368.34

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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.