Home / 10,116.17-15,175.67-3,540.86

Finding the Fourth Proportional to 10,116.17, 15,175.67 and 3,540.86

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Solution

The fourth proportional to 10,116.17, 15,175.67 and 3,540.86 is: 5,311.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,116.17 : 15,175.67 = 3,540.86 : x
  2. Step 2: Convert to fraction form
    10,116.17/15,175.67 = 3,540.86/x
  3. Step 3: Cross multiply
    10,116.17x = 15,175.67 × 3,540.86
  4. Step 4: Simplify right side
    10,116.17x = 53,734,829.29
  5. Step 5: Solve for x
    x = 53,734,829.29/10,116.17
  6. Step 6: Final answer
    x = 5,311.78

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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.