Home / 10,613.66-15,914.39-4,377.96

Finding the Fourth Proportional to 10,613.66, 15,914.39 and 4,377.96

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Solution

The fourth proportional to 10,613.66, 15,914.39 and 4,377.96 is: 6,564.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,613.66 : 15,914.39 = 4,377.96 : x
  2. Step 2: Convert to fraction form
    10,613.66/15,914.39 = 4,377.96/x
  3. Step 3: Cross multiply
    10,613.66x = 15,914.39 × 4,377.96
  4. Step 4: Simplify right side
    10,613.66x = 69,672,540.95
  5. Step 5: Solve for x
    x = 69,672,540.95/10,613.66
  6. Step 6: Final answer
    x = 6,564.42

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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.