Home / 13,964.81-20,943.97-4,101.44

Finding the Fourth Proportional to 13,964.81, 20,943.97 and 4,101.44

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Solution

The fourth proportional to 13,964.81, 20,943.97 and 4,101.44 is: 6,151.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,964.81 : 20,943.97 = 4,101.44 : x
  2. Step 2: Convert to fraction form
    13,964.81/20,943.97 = 4,101.44/x
  3. Step 3: Cross multiply
    13,964.81x = 20,943.97 × 4,101.44
  4. Step 4: Simplify right side
    13,964.81x = 85,900,436.32
  5. Step 5: Solve for x
    x = 85,900,436.32/13,964.81
  6. Step 6: Final answer
    x = 6,151.21

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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.