Home / 10,034.40-15,031.44-5,645.28

Finding the Fourth Proportional to 10,034.40, 15,031.44 and 5,645.28

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Solution

The fourth proportional to 10,034.40, 15,031.44 and 5,645.28 is: 8,456.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,034.40 : 15,031.44 = 5,645.28 : x
  2. Step 2: Convert to fraction form
    10,034.40/15,031.44 = 5,645.28/x
  3. Step 3: Cross multiply
    10,034.40x = 15,031.44 × 5,645.28
  4. Step 4: Simplify right side
    10,034.40x = 84,856,687.60
  5. Step 5: Solve for x
    x = 84,856,687.60/10,034.40
  6. Step 6: Final answer
    x = 8,456.58

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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.