Home / 11,517.92-17,273.28-3,725.12

Finding the Fourth Proportional to 11,517.92, 17,273.28 and 3,725.12

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Solution

The fourth proportional to 11,517.92, 17,273.28 and 3,725.12 is: 5,586.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,517.92 : 17,273.28 = 3,725.12 : x
  2. Step 2: Convert to fraction form
    11,517.92/17,273.28 = 3,725.12/x
  3. Step 3: Cross multiply
    11,517.92x = 17,273.28 × 3,725.12
  4. Step 4: Simplify right side
    11,517.92x = 64,345,040.79
  5. Step 5: Solve for x
    x = 64,345,040.79/11,517.92
  6. Step 6: Final answer
    x = 5,586.52

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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.