Home / 10,116.57-15,175.76-2,720.86

Finding the Fourth Proportional to 10,116.57, 15,175.76 and 2,720.86

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Solution

The fourth proportional to 10,116.57, 15,175.76 and 2,720.86 is: 4,081.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,116.57 : 15,175.76 = 2,720.86 : x
  2. Step 2: Convert to fraction form
    10,116.57/15,175.76 = 2,720.86/x
  3. Step 3: Cross multiply
    10,116.57x = 15,175.76 × 2,720.86
  4. Step 4: Simplify right side
    10,116.57x = 41,291,118.35
  5. Step 5: Solve for x
    x = 41,291,118.35/10,116.57
  6. Step 6: Final answer
    x = 4,081.53

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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.