Home / 10,544.85-15,819.30-3,149.13

Finding the Fourth Proportional to 10,544.85, 15,819.30 and 3,149.13

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Solution

The fourth proportional to 10,544.85, 15,819.30 and 3,149.13 is: 4,724.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,544.85 : 15,819.30 = 3,149.13 : x
  2. Step 2: Convert to fraction form
    10,544.85/15,819.30 = 3,149.13/x
  3. Step 3: Cross multiply
    10,544.85x = 15,819.30 × 3,149.13
  4. Step 4: Simplify right side
    10,544.85x = 49,817,032.21
  5. Step 5: Solve for x
    x = 49,817,032.21/10,544.85
  6. Step 6: Final answer
    x = 4,724.30

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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.