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Finding the Fourth Proportional to 10,373.50, 15,560.25 and 3,448

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Solution

The fourth proportional to 10,373.50, 15,560.25 and 3,448 is: 5,172

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,373.50 : 15,560.25 = 3,448 : x
  2. Step 2: Convert to fraction form
    10,373.50/15,560.25 = 3,448/x
  3. Step 3: Cross multiply
    10,373.50x = 15,560.25 × 3,448
  4. Step 4: Simplify right side
    10,373.50x = 53,651,742
  5. Step 5: Solve for x
    x = 53,651,742/10,373.50
  6. Step 6: Final answer
    x = 5,172

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.