Home / 20,230.87-30,306.26-9,542.59

Finding the Fourth Proportional to 20,230.87, 30,306.26 and 9,542.59

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Solution

The fourth proportional to 20,230.87, 30,306.26 and 9,542.59 is: 14,294.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,230.87 : 30,306.26 = 9,542.59 : x
  2. Step 2: Convert to fraction form
    20,230.87/30,306.26 = 9,542.59/x
  3. Step 3: Cross multiply
    20,230.87x = 30,306.26 × 9,542.59
  4. Step 4: Simplify right side
    20,230.87x = 289,200,165.90
  5. Step 5: Solve for x
    x = 289,200,165.90/20,230.87
  6. Step 6: Final answer
    x = 14,294.99

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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.