Home / 10,080.30-15,126.66-6,377.43

Finding the Fourth Proportional to 10,080.30, 15,126.66 and 6,377.43

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Solution

The fourth proportional to 10,080.30, 15,126.66 and 6,377.43 is: 9,570.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080.30 : 15,126.66 = 6,377.43 : x
  2. Step 2: Convert to fraction form
    10,080.30/15,126.66 = 6,377.43/x
  3. Step 3: Cross multiply
    10,080.30x = 15,126.66 × 6,377.43
  4. Step 4: Simplify right side
    10,080.30x = 96,469,215.28
  5. Step 5: Solve for x
    x = 96,469,215.28/10,080.30
  6. Step 6: Final answer
    x = 9,570.07

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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.