Home / 11,217.76-16,824.72-3,211.96

Finding the Fourth Proportional to 11,217.76, 16,824.72 and 3,211.96

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Solution

The fourth proportional to 11,217.76, 16,824.72 and 3,211.96 is: 4,817.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,217.76 : 16,824.72 = 3,211.96 : x
  2. Step 2: Convert to fraction form
    11,217.76/16,824.72 = 3,211.96/x
  3. Step 3: Cross multiply
    11,217.76x = 16,824.72 × 3,211.96
  4. Step 4: Simplify right side
    11,217.76x = 54,040,327.65
  5. Step 5: Solve for x
    x = 54,040,327.65/11,217.76
  6. Step 6: Final answer
    x = 4,817.39

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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.