Home / 11,175.54-15,422.24-6,139.90

Finding the Fourth Proportional to 11,175.54, 15,422.24 and 6,139.90

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Solution

The fourth proportional to 11,175.54, 15,422.24 and 6,139.90 is: 8,473.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,175.54 : 15,422.24 = 6,139.90 : x
  2. Step 2: Convert to fraction form
    11,175.54/15,422.24 = 6,139.90/x
  3. Step 3: Cross multiply
    11,175.54x = 15,422.24 × 6,139.90
  4. Step 4: Simplify right side
    11,175.54x = 94,691,011.38
  5. Step 5: Solve for x
    x = 94,691,011.38/11,175.54
  6. Step 6: Final answer
    x = 8,473.06

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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.