Home / 10,550.32-15,819.65-4,314.71

Finding the Fourth Proportional to 10,550.32, 15,819.65 and 4,314.71

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Solution

The fourth proportional to 10,550.32, 15,819.65 and 4,314.71 is: 6,469.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,550.32 : 15,819.65 = 4,314.71 : x
  2. Step 2: Convert to fraction form
    10,550.32/15,819.65 = 4,314.71/x
  3. Step 3: Cross multiply
    10,550.32x = 15,819.65 × 4,314.71
  4. Step 4: Simplify right side
    10,550.32x = 68,257,258.10
  5. Step 5: Solve for x
    x = 68,257,258.10/10,550.32
  6. Step 6: Final answer
    x = 6,469.68

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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.