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Finding the Fourth Proportional to 10,107.60, 13,948.07 and 5,631.24

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Solution

The fourth proportional to 10,107.60, 13,948.07 and 5,631.24 is: 7,770.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,107.60 : 13,948.07 = 5,631.24 : x
  2. Step 2: Convert to fraction form
    10,107.60/13,948.07 = 5,631.24/x
  3. Step 3: Cross multiply
    10,107.60x = 13,948.07 × 5,631.24
  4. Step 4: Simplify right side
    10,107.60x = 78,544,874.04
  5. Step 5: Solve for x
    x = 78,544,874.04/10,107.60
  6. Step 6: Final answer
    x = 7,770.87

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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.