Home / 13,842.97-20,767.84-3,982.19

Finding the Fourth Proportional to 13,842.97, 20,767.84 and 3,982.19

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Solution

The fourth proportional to 13,842.97, 20,767.84 and 3,982.19 is: 5,974.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,842.97 : 20,767.84 = 3,982.19 : x
  2. Step 2: Convert to fraction form
    13,842.97/20,767.84 = 3,982.19/x
  3. Step 3: Cross multiply
    13,842.97x = 20,767.84 × 3,982.19
  4. Step 4: Simplify right side
    13,842.97x = 82,701,370.97
  5. Step 5: Solve for x
    x = 82,701,370.97/13,842.97
  6. Step 6: Final answer
    x = 5,974.25

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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.