Home / 11,445.28-17,170.44-3,653.92

Finding the Fourth Proportional to 11,445.28, 17,170.44 and 3,653.92

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Solution

The fourth proportional to 11,445.28, 17,170.44 and 3,653.92 is: 5,481.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,445.28 : 17,170.44 = 3,653.92 : x
  2. Step 2: Convert to fraction form
    11,445.28/17,170.44 = 3,653.92/x
  3. Step 3: Cross multiply
    11,445.28x = 17,170.44 × 3,653.92
  4. Step 4: Simplify right side
    11,445.28x = 62,739,414.12
  5. Step 5: Solve for x
    x = 62,739,414.12/11,445.28
  6. Step 6: Final answer
    x = 5,481.68

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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.