Home / 11,229.70-16,841.85-3,438.58

Finding the Fourth Proportional to 11,229.70, 16,841.85 and 3,438.58

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Solution

The fourth proportional to 11,229.70, 16,841.85 and 3,438.58 is: 5,157.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,229.70 : 16,841.85 = 3,438.58 : x
  2. Step 2: Convert to fraction form
    11,229.70/16,841.85 = 3,438.58/x
  3. Step 3: Cross multiply
    11,229.70x = 16,841.85 × 3,438.58
  4. Step 4: Simplify right side
    11,229.70x = 57,912,048.57
  5. Step 5: Solve for x
    x = 57,912,048.57/11,229.70
  6. Step 6: Final answer
    x = 5,157.04

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1.5x scale

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.