Home / 13,249.11-19,872.11-3,388.44

Finding the Fourth Proportional to 13,249.11, 19,872.11 and 3,388.44

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Solution

The fourth proportional to 13,249.11, 19,872.11 and 3,388.44 is: 5,082.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249.11 : 19,872.11 = 3,388.44 : x
  2. Step 2: Convert to fraction form
    13,249.11/19,872.11 = 3,388.44/x
  3. Step 3: Cross multiply
    13,249.11x = 19,872.11 × 3,388.44
  4. Step 4: Simplify right side
    13,249.11x = 67,335,460.88
  5. Step 5: Solve for x
    x = 67,335,460.88/13,249.11
  6. Step 6: Final answer
    x = 5,082.26

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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.