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Finding the Fourth Proportional to 8,841.60, 12,195.36 and 7,266.96

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Solution

The fourth proportional to 8,841.60, 12,195.36 and 7,266.96 is: 10,023.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,841.60 : 12,195.36 = 7,266.96 : x
  2. Step 2: Convert to fraction form
    8,841.60/12,195.36 = 7,266.96/x
  3. Step 3: Cross multiply
    8,841.60x = 12,195.36 × 7,266.96
  4. Step 4: Simplify right side
    8,841.60x = 88,623,193.31
  5. Step 5: Solve for x
    x = 88,623,193.31/8,841.60
  6. Step 6: Final answer
    x = 10,023.43

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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.