Home / 13,269.44-19,904.15-3,408.72

Finding the Fourth Proportional to 13,269.44, 19,904.15 and 3,408.72

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Solution

The fourth proportional to 13,269.44, 19,904.15 and 3,408.72 is: 5,113.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269.44 : 19,904.15 = 3,408.72 : x
  2. Step 2: Convert to fraction form
    13,269.44/19,904.15 = 3,408.72/x
  3. Step 3: Cross multiply
    13,269.44x = 19,904.15 × 3,408.72
  4. Step 4: Simplify right side
    13,269.44x = 67,847,757.35
  5. Step 5: Solve for x
    x = 67,847,757.35/13,269.44
  6. Step 6: Final answer
    x = 5,113.09

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Similar ratio
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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.