Home / 13,808.44-20,713.30-3,949.12

Finding the Fourth Proportional to 13,808.44, 20,713.30 and 3,949.12

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Solution

The fourth proportional to 13,808.44, 20,713.30 and 3,949.12 is: 5,923.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,808.44 : 20,713.30 = 3,949.12 : x
  2. Step 2: Convert to fraction form
    13,808.44/20,713.30 = 3,949.12/x
  3. Step 3: Cross multiply
    13,808.44x = 20,713.30 × 3,949.12
  4. Step 4: Simplify right side
    13,808.44x = 81,799,307.30
  5. Step 5: Solve for x
    x = 81,799,307.30/13,808.44
  6. Step 6: Final answer
    x = 5,923.86

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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.