Home / 16,234.70-22,404.40-9,161.24

Finding the Fourth Proportional to 16,234.70, 22,404.40 and 9,161.24

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Solution

The fourth proportional to 16,234.70, 22,404.40 and 9,161.24 is: 12,642.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,234.70 : 22,404.40 = 9,161.24 : x
  2. Step 2: Convert to fraction form
    16,234.70/22,404.40 = 9,161.24/x
  3. Step 3: Cross multiply
    16,234.70x = 22,404.40 × 9,161.24
  4. Step 4: Simplify right side
    16,234.70x = 205,251,950.53
  5. Step 5: Solve for x
    x = 205,251,950.53/16,234.70
  6. Step 6: Final answer
    x = 12,642.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.