Home / 11,481.28-17,215.94-4,084.66

Finding the Fourth Proportional to 11,481.28, 17,215.94 and 4,084.66

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Solution

The fourth proportional to 11,481.28, 17,215.94 and 4,084.66 is: 6,124.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,481.28 : 17,215.94 = 4,084.66 : x
  2. Step 2: Convert to fraction form
    11,481.28/17,215.94 = 4,084.66/x
  3. Step 3: Cross multiply
    11,481.28x = 17,215.94 × 4,084.66
  4. Step 4: Simplify right side
    11,481.28x = 70,321,261.48
  5. Step 5: Solve for x
    x = 70,321,261.48/11,481.28
  6. Step 6: Final answer
    x = 6,124.86

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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.