Home / 16,279.91-24,422.57-5,189.99

Finding the Fourth Proportional to 16,279.91, 24,422.57 and 5,189.99

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Solution

The fourth proportional to 16,279.91, 24,422.57 and 5,189.99 is: 7,785.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,279.91 : 24,422.57 = 5,189.99 : x
  2. Step 2: Convert to fraction form
    16,279.91/24,422.57 = 5,189.99/x
  3. Step 3: Cross multiply
    16,279.91x = 24,422.57 × 5,189.99
  4. Step 4: Simplify right side
    16,279.91x = 126,752,968.11
  5. Step 5: Solve for x
    x = 126,752,968.11/16,279.91
  6. Step 6: Final answer
    x = 7,785.85

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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.