Home / 10,132.86-15,207.04-6,621.88

Finding the Fourth Proportional to 10,132.86, 15,207.04 and 6,621.88

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Solution

The fourth proportional to 10,132.86, 15,207.04 and 6,621.88 is: 9,937.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,132.86 : 15,207.04 = 6,621.88 : x
  2. Step 2: Convert to fraction form
    10,132.86/15,207.04 = 6,621.88/x
  3. Step 3: Cross multiply
    10,132.86x = 15,207.04 × 6,621.88
  4. Step 4: Simplify right side
    10,132.86x = 100,699,194.04
  5. Step 5: Solve for x
    x = 100,699,194.04/10,132.86
  6. Step 6: Final answer
    x = 9,937.88

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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.