Home / 11,771.17-17,659.19-3,451.46

Finding the Fourth Proportional to 11,771.17, 17,659.19 and 3,451.46

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Solution

The fourth proportional to 11,771.17, 17,659.19 and 3,451.46 is: 5,177.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,771.17 : 17,659.19 = 3,451.46 : x
  2. Step 2: Convert to fraction form
    11,771.17/17,659.19 = 3,451.46/x
  3. Step 3: Cross multiply
    11,771.17x = 17,659.19 × 3,451.46
  4. Step 4: Simplify right side
    11,771.17x = 60,949,908.25
  5. Step 5: Solve for x
    x = 60,949,908.25/11,771.17
  6. Step 6: Final answer
    x = 5,177.90

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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.