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Finding the Fourth Proportional to 11,553.40, 17,330.10 and 11,456.20

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Solution

The fourth proportional to 11,553.40, 17,330.10 and 11,456.20 is: 17,184.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,553.40 : 17,330.10 = 11,456.20 : x
  2. Step 2: Convert to fraction form
    11,553.40/17,330.10 = 11,456.20/x
  3. Step 3: Cross multiply
    11,553.40x = 17,330.10 × 11,456.20
  4. Step 4: Simplify right side
    11,553.40x = 198,537,091.62
  5. Step 5: Solve for x
    x = 198,537,091.62/11,553.40
  6. Step 6: Final answer
    x = 17,184.30

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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.