Home / 13,844.30-20,769.63-3,983.66

Finding the Fourth Proportional to 13,844.30, 20,769.63 and 3,983.66

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Solution

The fourth proportional to 13,844.30, 20,769.63 and 3,983.66 is: 5,976.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,844.30 : 20,769.63 = 3,983.66 : x
  2. Step 2: Convert to fraction form
    13,844.30/20,769.63 = 3,983.66/x
  3. Step 3: Cross multiply
    13,844.30x = 20,769.63 × 3,983.66
  4. Step 4: Simplify right side
    13,844.30x = 82,739,144.25
  5. Step 5: Solve for x
    x = 82,739,144.25/13,844.30
  6. Step 6: Final answer
    x = 5,976.41

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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.