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Finding the Fourth Proportional to 8,799.17, 13,211.03 and 8,397.27

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Solution

The fourth proportional to 8,799.17, 13,211.03 and 8,397.27 is: 12,607.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,799.17 : 13,211.03 = 8,397.27 : x
  2. Step 2: Convert to fraction form
    8,799.17/13,211.03 = 8,397.27/x
  3. Step 3: Cross multiply
    8,799.17x = 13,211.03 × 8,397.27
  4. Step 4: Simplify right side
    8,799.17x = 110,936,606.88
  5. Step 5: Solve for x
    x = 110,936,606.88/8,799.17
  6. Step 6: Final answer
    x = 12,607.63

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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.