Home / 13,242.14-19,863.18-3,381.42

Finding the Fourth Proportional to 13,242.14, 19,863.18 and 3,381.42

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Solution

The fourth proportional to 13,242.14, 19,863.18 and 3,381.42 is: 5,072.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,242.14 : 19,863.18 = 3,381.42 : x
  2. Step 2: Convert to fraction form
    13,242.14/19,863.18 = 3,381.42/x
  3. Step 3: Cross multiply
    13,242.14x = 19,863.18 × 3,381.42
  4. Step 4: Simplify right side
    13,242.14x = 67,165,654.80
  5. Step 5: Solve for x
    x = 67,165,654.80/13,242.14
  6. Step 6: Final answer
    x = 5,072.12

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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.