Home / 20,793.11-31,181.36-12,034.17

Finding the Fourth Proportional to 20,793.11, 31,181.36 and 12,034.17

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Solution

The fourth proportional to 20,793.11, 31,181.36 and 12,034.17 is: 18,046.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,793.11 : 31,181.36 = 12,034.17 : x
  2. Step 2: Convert to fraction form
    20,793.11/31,181.36 = 12,034.17/x
  3. Step 3: Cross multiply
    20,793.11x = 31,181.36 × 12,034.17
  4. Step 4: Simplify right side
    20,793.11x = 375,241,726.90
  5. Step 5: Solve for x
    x = 375,241,726.90/20,793.11
  6. Step 6: Final answer
    x = 18,046.45

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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.