Home / 20,230.62-30,305.88-9,542.34

Finding the Fourth Proportional to 20,230.62, 30,305.88 and 9,542.34

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Solution

The fourth proportional to 20,230.62, 30,305.88 and 9,542.34 is: 14,294.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,230.62 : 30,305.88 = 9,542.34 : x
  2. Step 2: Convert to fraction form
    20,230.62/30,305.88 = 9,542.34/x
  3. Step 3: Cross multiply
    20,230.62x = 30,305.88 × 9,542.34
  4. Step 4: Simplify right side
    20,230.62x = 289,189,010.96
  5. Step 5: Solve for x
    x = 289,189,010.96/20,230.62
  6. Step 6: Final answer
    x = 14,294.62

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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.