Home / 20,281.11-30,422.88-9,753.27

Finding the Fourth Proportional to 20,281.11, 30,422.88 and 9,753.27

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Solution

The fourth proportional to 20,281.11, 30,422.88 and 9,753.27 is: 14,630.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,281.11 : 30,422.88 = 9,753.27 : x
  2. Step 2: Convert to fraction form
    20,281.11/30,422.88 = 9,753.27/x
  3. Step 3: Cross multiply
    20,281.11x = 30,422.88 × 9,753.27
  4. Step 4: Simplify right side
    20,281.11x = 296,722,562.82
  5. Step 5: Solve for x
    x = 296,722,562.82/20,281.11
  6. Step 6: Final answer
    x = 14,630.49

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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.