Home / 13,844.34-20,765.79-3,983.23

Finding the Fourth Proportional to 13,844.34, 20,765.79 and 3,983.23

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Solution

The fourth proportional to 13,844.34, 20,765.79 and 3,983.23 is: 5,974.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,844.34 : 20,765.79 = 3,983.23 : x
  2. Step 2: Convert to fraction form
    13,844.34/20,765.79 = 3,983.23/x
  3. Step 3: Cross multiply
    13,844.34x = 20,765.79 × 3,983.23
  4. Step 4: Simplify right side
    13,844.34x = 82,714,917.70
  5. Step 5: Solve for x
    x = 82,714,917.70/13,844.34
  6. Step 6: Final answer
    x = 5,974.64

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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.