Home / 20,149.74-30,234.52-9,064.26

Finding the Fourth Proportional to 20,149.74, 30,234.52 and 9,064.26

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Solution

The fourth proportional to 20,149.74, 30,234.52 and 9,064.26 is: 13,600.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,149.74 : 30,234.52 = 9,064.26 : x
  2. Step 2: Convert to fraction form
    20,149.74/30,234.52 = 9,064.26/x
  3. Step 3: Cross multiply
    20,149.74x = 30,234.52 × 9,064.26
  4. Step 4: Simplify right side
    20,149.74x = 274,053,550.26
  5. Step 5: Solve for x
    x = 274,053,550.26/20,149.74
  6. Step 6: Final answer
    x = 13,600.85

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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.