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Finding the Fourth Proportional to 11,172.33, 16,765.56 and 6,245.21

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Solution

The fourth proportional to 11,172.33, 16,765.56 and 6,245.21 is: 9,371.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,172.33 : 16,765.56 = 6,245.21 : x
  2. Step 2: Convert to fraction form
    11,172.33/16,765.56 = 6,245.21/x
  3. Step 3: Cross multiply
    11,172.33x = 16,765.56 × 6,245.21
  4. Step 4: Simplify right side
    11,172.33x = 104,704,359.14
  5. Step 5: Solve for x
    x = 104,704,359.14/11,172.33
  6. Step 6: Final answer
    x = 9,371.76

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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.