Home / 11,229.72-16,843.97-3,438.54

Finding the Fourth Proportional to 11,229.72, 16,843.97 and 3,438.54

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Solution

The fourth proportional to 11,229.72, 16,843.97 and 3,438.54 is: 5,157.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,229.72 : 16,843.97 = 3,438.54 : x
  2. Step 2: Convert to fraction form
    11,229.72/16,843.97 = 3,438.54/x
  3. Step 3: Cross multiply
    11,229.72x = 16,843.97 × 3,438.54
  4. Step 4: Simplify right side
    11,229.72x = 57,918,647.41
  5. Step 5: Solve for x
    x = 57,918,647.41/11,229.72
  6. Step 6: Final answer
    x = 5,157.62

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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.