Home / 13,964.82-20,949.42-5,080.92

Finding the Fourth Proportional to 13,964.82, 20,949.42 and 5,080.92

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Solution

The fourth proportional to 13,964.82, 20,949.42 and 5,080.92 is: 7,622.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,964.82 : 20,949.42 = 5,080.92 : x
  2. Step 2: Convert to fraction form
    13,964.82/20,949.42 = 5,080.92/x
  3. Step 3: Cross multiply
    13,964.82x = 20,949.42 × 5,080.92
  4. Step 4: Simplify right side
    13,964.82x = 106,442,327.07
  5. Step 5: Solve for x
    x = 106,442,327.07/13,964.82
  6. Step 6: Final answer
    x = 7,622.18

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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.