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Finding the Fourth Proportional to 20,354.83, 30,532.01 and 11,470.83

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Solution

The fourth proportional to 20,354.83, 30,532.01 and 11,470.83 is: 17,206.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,354.83 : 30,532.01 = 11,470.83 : x
  2. Step 2: Convert to fraction form
    20,354.83/30,532.01 = 11,470.83/x
  3. Step 3: Cross multiply
    20,354.83x = 30,532.01 × 11,470.83
  4. Step 4: Simplify right side
    20,354.83x = 350,227,438.91
  5. Step 5: Solve for x
    x = 350,227,438.91/20,354.83
  6. Step 6: Final answer
    x = 17,206.11

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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.