Home / 10,287.60-15,398.52-5,350.44

Finding the Fourth Proportional to 10,287.60, 15,398.52 and 5,350.44

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Solution

The fourth proportional to 10,287.60, 15,398.52 and 5,350.44 is: 8,008.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,287.60 : 15,398.52 = 5,350.44 : x
  2. Step 2: Convert to fraction form
    10,287.60/15,398.52 = 5,350.44/x
  3. Step 3: Cross multiply
    10,287.60x = 15,398.52 × 5,350.44
  4. Step 4: Simplify right side
    10,287.60x = 82,388,857.35
  5. Step 5: Solve for x
    x = 82,388,857.35/10,287.60
  6. Step 6: Final answer
    x = 8,008.56

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1.5x scale

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.