Home / 10,182.96-15,264.72-4,331.52

Finding the Fourth Proportional to 10,182.96, 15,264.72 and 4,331.52

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Solution

The fourth proportional to 10,182.96, 15,264.72 and 4,331.52 is: 6,493.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,182.96 : 15,264.72 = 4,331.52 : x
  2. Step 2: Convert to fraction form
    10,182.96/15,264.72 = 4,331.52/x
  3. Step 3: Cross multiply
    10,182.96x = 15,264.72 × 4,331.52
  4. Step 4: Simplify right side
    10,182.96x = 66,119,439.97
  5. Step 5: Solve for x
    x = 66,119,439.97/10,182.96
  6. Step 6: Final answer
    x = 6,493.15

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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.