Home / 13,249.29-19,873.85-3,388.55

Finding the Fourth Proportional to 13,249.29, 19,873.85 and 3,388.55

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Solution

The fourth proportional to 13,249.29, 19,873.85 and 3,388.55 is: 5,082.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249.29 : 19,873.85 = 3,388.55 : x
  2. Step 2: Convert to fraction form
    13,249.29/19,873.85 = 3,388.55/x
  3. Step 3: Cross multiply
    13,249.29x = 19,873.85 × 3,388.55
  4. Step 4: Simplify right side
    13,249.29x = 67,343,534.42
  5. Step 5: Solve for x
    x = 67,343,534.42/13,249.29
  6. Step 6: Final answer
    x = 5,082.80

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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.