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Finding the Fourth Proportional to 11,080.72, 16,540.02 and 9,768.56

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Solution

The fourth proportional to 11,080.72, 16,540.02 and 9,768.56 is: 14,581.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,080.72 : 16,540.02 = 9,768.56 : x
  2. Step 2: Convert to fraction form
    11,080.72/16,540.02 = 9,768.56/x
  3. Step 3: Cross multiply
    11,080.72x = 16,540.02 × 9,768.56
  4. Step 4: Simplify right side
    11,080.72x = 161,572,177.77
  5. Step 5: Solve for x
    x = 161,572,177.77/11,080.72
  6. Step 6: Final answer
    x = 14,581.38

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.