Home / 13,877.68-20,817.83-3,882.42

Finding the Fourth Proportional to 13,877.68, 20,817.83 and 3,882.42

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Solution

The fourth proportional to 13,877.68, 20,817.83 and 3,882.42 is: 5,824.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,877.68 : 20,817.83 = 3,882.42 : x
  2. Step 2: Convert to fraction form
    13,877.68/20,817.83 = 3,882.42/x
  3. Step 3: Cross multiply
    13,877.68x = 20,817.83 × 3,882.42
  4. Step 4: Simplify right side
    13,877.68x = 80,823,540.14
  5. Step 5: Solve for x
    x = 80,823,540.14/13,877.68
  6. Step 6: Final answer
    x = 5,824.00

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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.