Home / 10,198.56-15,305.44-3,959.54

Finding the Fourth Proportional to 10,198.56, 15,305.44 and 3,959.54

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Solution

The fourth proportional to 10,198.56, 15,305.44 and 3,959.54 is: 5,942.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,198.56 : 15,305.44 = 3,959.54 : x
  2. Step 2: Convert to fraction form
    10,198.56/15,305.44 = 3,959.54/x
  3. Step 3: Cross multiply
    10,198.56x = 15,305.44 × 3,959.54
  4. Step 4: Simplify right side
    10,198.56x = 60,602,501.90
  5. Step 5: Solve for x
    x = 60,602,501.90/10,198.56
  6. Step 6: Final answer
    x = 5,942.26

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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.