Home / 22,112.55-33,131.85-9,613.85

Finding the Fourth Proportional to 22,112.55, 33,131.85 and 9,613.85

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Solution

The fourth proportional to 22,112.55, 33,131.85 and 9,613.85 is: 14,404.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,112.55 : 33,131.85 = 9,613.85 : x
  2. Step 2: Convert to fraction form
    22,112.55/33,131.85 = 9,613.85/x
  3. Step 3: Cross multiply
    22,112.55x = 33,131.85 × 9,613.85
  4. Step 4: Simplify right side
    22,112.55x = 318,524,470.46
  5. Step 5: Solve for x
    x = 318,524,470.46/22,112.55
  6. Step 6: Final answer
    x = 14,404.69

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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.