Home / 13,844.32-20,769.22-5,079.31

Finding the Fourth Proportional to 13,844.32, 20,769.22 and 5,079.31

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Solution

The fourth proportional to 13,844.32, 20,769.22 and 5,079.31 is: 7,619.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,844.32 : 20,769.22 = 5,079.31 : x
  2. Step 2: Convert to fraction form
    13,844.32/20,769.22 = 5,079.31/x
  3. Step 3: Cross multiply
    13,844.32x = 20,769.22 × 5,079.31
  4. Step 4: Simplify right side
    13,844.32x = 105,493,306.84
  5. Step 5: Solve for x
    x = 105,493,306.84/13,844.32
  6. Step 6: Final answer
    x = 7,619.97

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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.