Home / 11,352.56-17,029.32-3,957.76

Finding the Fourth Proportional to 11,352.56, 17,029.32 and 3,957.76

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Solution

The fourth proportional to 11,352.56, 17,029.32 and 3,957.76 is: 5,936.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,352.56 : 17,029.32 = 3,957.76 : x
  2. Step 2: Convert to fraction form
    11,352.56/17,029.32 = 3,957.76/x
  3. Step 3: Cross multiply
    11,352.56x = 17,029.32 × 3,957.76
  4. Step 4: Simplify right side
    11,352.56x = 67,397,961.52
  5. Step 5: Solve for x
    x = 67,397,961.52/11,352.56
  6. Step 6: Final answer
    x = 5,936.81

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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.