Home / 16,519.24-22,789.11-9,805.15

Finding the Fourth Proportional to 16,519.24, 22,789.11 and 9,805.15

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Solution

The fourth proportional to 16,519.24, 22,789.11 and 9,805.15 is: 13,526.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,519.24 : 22,789.11 = 9,805.15 : x
  2. Step 2: Convert to fraction form
    16,519.24/22,789.11 = 9,805.15/x
  3. Step 3: Cross multiply
    16,519.24x = 22,789.11 × 9,805.15
  4. Step 4: Simplify right side
    16,519.24x = 223,450,641.92
  5. Step 5: Solve for x
    x = 223,450,641.92/16,519.24
  6. Step 6: Final answer
    x = 13,526.69

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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.