Home / 15,183.59-22,778.11-7,279.41

Finding the Fourth Proportional to 15,183.59, 22,778.11 and 7,279.41

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Solution

The fourth proportional to 15,183.59, 22,778.11 and 7,279.41 is: 10,920.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,183.59 : 22,778.11 = 7,279.41 : x
  2. Step 2: Convert to fraction form
    15,183.59/22,778.11 = 7,279.41/x
  3. Step 3: Cross multiply
    15,183.59x = 22,778.11 × 7,279.41
  4. Step 4: Simplify right side
    15,183.59x = 165,811,201.72
  5. Step 5: Solve for x
    x = 165,811,201.72/15,183.59
  6. Step 6: Final answer
    x = 10,920.42

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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.