Home / 16,320.12-22,519.92-9,245.04

Finding the Fourth Proportional to 16,320.12, 22,519.92 and 9,245.04

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Solution

The fourth proportional to 16,320.12, 22,519.92 and 9,245.04 is: 12,757.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,320.12 : 22,519.92 = 9,245.04 : x
  2. Step 2: Convert to fraction form
    16,320.12/22,519.92 = 9,245.04/x
  3. Step 3: Cross multiply
    16,320.12x = 22,519.92 × 9,245.04
  4. Step 4: Simplify right side
    16,320.12x = 208,197,561.20
  5. Step 5: Solve for x
    x = 208,197,561.20/16,320.12
  6. Step 6: Final answer
    x = 12,757.11

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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.