Home / 13,994.04-20,993.82-3,998.87

Finding the Fourth Proportional to 13,994.04, 20,993.82 and 3,998.87

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Solution

The fourth proportional to 13,994.04, 20,993.82 and 3,998.87 is: 5,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,994.04 : 20,993.82 = 3,998.87 : x
  2. Step 2: Convert to fraction form
    13,994.04/20,993.82 = 3,998.87/x
  3. Step 3: Cross multiply
    13,994.04x = 20,993.82 × 3,998.87
  4. Step 4: Simplify right side
    13,994.04x = 83,951,556.98
  5. Step 5: Solve for x
    x = 83,951,556.98/13,994.04
  6. Step 6: Final answer
    x = 5,999.10

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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.