Home / 11,141.39-15,375.11-6,105.62

Finding the Fourth Proportional to 11,141.39, 15,375.11 and 6,105.62

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Solution

The fourth proportional to 11,141.39, 15,375.11 and 6,105.62 is: 8,425.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,141.39 : 15,375.11 = 6,105.62 : x
  2. Step 2: Convert to fraction form
    11,141.39/15,375.11 = 6,105.62/x
  3. Step 3: Cross multiply
    11,141.39x = 15,375.11 × 6,105.62
  4. Step 4: Simplify right side
    11,141.39x = 93,874,471.71
  5. Step 5: Solve for x
    x = 93,874,471.71/11,141.39
  6. Step 6: Final answer
    x = 8,425.75

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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.