Home / 11,132.28-15,359.82-6,657.48

Finding the Fourth Proportional to 11,132.28, 15,359.82 and 6,657.48

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Solution

The fourth proportional to 11,132.28, 15,359.82 and 6,657.48 is: 9,185.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,132.28 : 15,359.82 = 6,657.48 : x
  2. Step 2: Convert to fraction form
    11,132.28/15,359.82 = 6,657.48/x
  3. Step 3: Cross multiply
    11,132.28x = 15,359.82 × 6,657.48
  4. Step 4: Simplify right side
    11,132.28x = 102,257,694.45
  5. Step 5: Solve for x
    x = 102,257,694.45/11,132.28
  6. Step 6: Final answer
    x = 9,185.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.