Home / 11,190.68-15,443.17-6,155.42

Finding the Fourth Proportional to 11,190.68, 15,443.17 and 6,155.42

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Solution

The fourth proportional to 11,190.68, 15,443.17 and 6,155.42 is: 8,494.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190.68 : 15,443.17 = 6,155.42 : x
  2. Step 2: Convert to fraction form
    11,190.68/15,443.17 = 6,155.42/x
  3. Step 3: Cross multiply
    11,190.68x = 15,443.17 × 6,155.42
  4. Step 4: Simplify right side
    11,190.68x = 95,059,104.88
  5. Step 5: Solve for x
    x = 95,059,104.88/11,190.68
  6. Step 6: Final answer
    x = 8,494.49

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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.