Home / 13,994.43-20,991.66-4,132.95

Finding the Fourth Proportional to 13,994.43, 20,991.66 and 4,132.95

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Solution

The fourth proportional to 13,994.43, 20,991.66 and 4,132.95 is: 6,199.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,994.43 : 20,991.66 = 4,132.95 : x
  2. Step 2: Convert to fraction form
    13,994.43/20,991.66 = 4,132.95/x
  3. Step 3: Cross multiply
    13,994.43x = 20,991.66 × 4,132.95
  4. Step 4: Simplify right side
    13,994.43x = 86,757,481.20
  5. Step 5: Solve for x
    x = 86,757,481.20/13,994.43
  6. Step 6: Final answer
    x = 6,199.43

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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.