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Finding the Fourth Proportional to 11,708.76, 17,551.86 and 6,773.88

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Solution

The fourth proportional to 11,708.76, 17,551.86 and 6,773.88 is: 10,154.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,708.76 : 17,551.86 = 6,773.88 : x
  2. Step 2: Convert to fraction form
    11,708.76/17,551.86 = 6,773.88/x
  3. Step 3: Cross multiply
    11,708.76x = 17,551.86 × 6,773.88
  4. Step 4: Simplify right side
    11,708.76x = 118,894,193.42
  5. Step 5: Solve for x
    x = 118,894,193.42/11,708.76
  6. Step 6: Final answer
    x = 10,154.29

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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.