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Finding the Fourth Proportional to 9,105.60, 13,658.40 and 5,995.20

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Solution

The fourth proportional to 9,105.60, 13,658.40 and 5,995.20 is: 8,992.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,105.60 : 13,658.40 = 5,995.20 : x
  2. Step 2: Convert to fraction form
    9,105.60/13,658.40 = 5,995.20/x
  3. Step 3: Cross multiply
    9,105.60x = 13,658.40 × 5,995.20
  4. Step 4: Simplify right side
    9,105.60x = 81,884,839.68
  5. Step 5: Solve for x
    x = 81,884,839.68/9,105.60
  6. Step 6: Final answer
    x = 8,992.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.