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Finding the Fourth Proportional to 11,140.54, 15,373.46 and 6,663.42

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Solution

The fourth proportional to 11,140.54, 15,373.46 and 6,663.42 is: 9,195.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,140.54 : 15,373.46 = 6,663.42 : x
  2. Step 2: Convert to fraction form
    11,140.54/15,373.46 = 6,663.42/x
  3. Step 3: Cross multiply
    11,140.54x = 15,373.46 × 6,663.42
  4. Step 4: Simplify right side
    11,140.54x = 102,439,820.83
  5. Step 5: Solve for x
    x = 102,439,820.83/11,140.54
  6. Step 6: Final answer
    x = 9,195.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.