Home / 10,544.70-15,819.78-3,149.16

Finding the Fourth Proportional to 10,544.70, 15,819.78 and 3,149.16

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Solution

The fourth proportional to 10,544.70, 15,819.78 and 3,149.16 is: 4,724.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,544.70 : 15,819.78 = 3,149.16 : x
  2. Step 2: Convert to fraction form
    10,544.70/15,819.78 = 3,149.16/x
  3. Step 3: Cross multiply
    10,544.70x = 15,819.78 × 3,149.16
  4. Step 4: Simplify right side
    10,544.70x = 49,819,018.38
  5. Step 5: Solve for x
    x = 49,819,018.38/10,544.70
  6. Step 6: Final answer
    x = 4,724.56

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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.