Home / 13,844.82-20,769.96-5,079.82

Finding the Fourth Proportional to 13,844.82, 20,769.96 and 5,079.82

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Solution

The fourth proportional to 13,844.82, 20,769.96 and 5,079.82 is: 7,620.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,844.82 : 20,769.96 = 5,079.82 : x
  2. Step 2: Convert to fraction form
    13,844.82/20,769.96 = 5,079.82/x
  3. Step 3: Cross multiply
    13,844.82x = 20,769.96 × 5,079.82
  4. Step 4: Simplify right side
    13,844.82x = 105,507,658.21
  5. Step 5: Solve for x
    x = 105,507,658.21/13,844.82
  6. Step 6: Final answer
    x = 7,620.73

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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.