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Finding the Fourth Proportional to 10,031.73, 13,843.85 and 5,555.90

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Solution

The fourth proportional to 10,031.73, 13,843.85 and 5,555.90 is: 7,667.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,031.73 : 13,843.85 = 5,555.90 : x
  2. Step 2: Convert to fraction form
    10,031.73/13,843.85 = 5,555.90/x
  3. Step 3: Cross multiply
    10,031.73x = 13,843.85 × 5,555.90
  4. Step 4: Simplify right side
    10,031.73x = 76,914,949.22
  5. Step 5: Solve for x
    x = 76,914,949.22/10,031.73
  6. Step 6: Final answer
    x = 7,667.17

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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.