Home / 13,996.38-20,994.97-3,608.13

Finding the Fourth Proportional to 13,996.38, 20,994.97 and 3,608.13

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Solution

The fourth proportional to 13,996.38, 20,994.97 and 3,608.13 is: 5,412.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,996.38 : 20,994.97 = 3,608.13 : x
  2. Step 2: Convert to fraction form
    13,996.38/20,994.97 = 3,608.13/x
  3. Step 3: Cross multiply
    13,996.38x = 20,994.97 × 3,608.13
  4. Step 4: Simplify right side
    13,996.38x = 75,752,467.11
  5. Step 5: Solve for x
    x = 75,752,467.11/13,996.38
  6. Step 6: Final answer
    x = 5,412.29

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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.