Home / 10,375.28-15,565.80-3,356.44

Finding the Fourth Proportional to 10,375.28, 15,565.80 and 3,356.44

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Solution

The fourth proportional to 10,375.28, 15,565.80 and 3,356.44 is: 5,035.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,375.28 : 15,565.80 = 3,356.44 : x
  2. Step 2: Convert to fraction form
    10,375.28/15,565.80 = 3,356.44/x
  3. Step 3: Cross multiply
    10,375.28x = 15,565.80 × 3,356.44
  4. Step 4: Simplify right side
    10,375.28x = 52,245,673.75
  5. Step 5: Solve for x
    x = 52,245,673.75/10,375.28
  6. Step 6: Final answer
    x = 5,035.59

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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.