Home / 13,964.44-20,947.26-3,969.88

Finding the Fourth Proportional to 13,964.44, 20,947.26 and 3,969.88

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Solution

The fourth proportional to 13,964.44, 20,947.26 and 3,969.88 is: 5,954.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,964.44 : 20,947.26 = 3,969.88 : x
  2. Step 2: Convert to fraction form
    13,964.44/20,947.26 = 3,969.88/x
  3. Step 3: Cross multiply
    13,964.44x = 20,947.26 × 3,969.88
  4. Step 4: Simplify right side
    13,964.44x = 83,158,108.53
  5. Step 5: Solve for x
    x = 83,158,108.53/13,964.44
  6. Step 6: Final answer
    x = 5,954.99

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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.