Home / 10,824.62-16,212.32-8,469.94

Finding the Fourth Proportional to 10,824.62, 16,212.32 and 8,469.94

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Solution

The fourth proportional to 10,824.62, 16,212.32 and 8,469.94 is: 12,685.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,824.62 : 16,212.32 = 8,469.94 : x
  2. Step 2: Convert to fraction form
    10,824.62/16,212.32 = 8,469.94/x
  3. Step 3: Cross multiply
    10,824.62x = 16,212.32 × 8,469.94
  4. Step 4: Simplify right side
    10,824.62x = 137,317,377.66
  5. Step 5: Solve for x
    x = 137,317,377.66/10,824.62
  6. Step 6: Final answer
    x = 12,685.65

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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.