Home / 11,156.73-16,734.61-3,761.16

Finding the Fourth Proportional to 11,156.73, 16,734.61 and 3,761.16

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Solution

The fourth proportional to 11,156.73, 16,734.61 and 3,761.16 is: 5,641.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,156.73 : 16,734.61 = 3,761.16 : x
  2. Step 2: Convert to fraction form
    11,156.73/16,734.61 = 3,761.16/x
  3. Step 3: Cross multiply
    11,156.73x = 16,734.61 × 3,761.16
  4. Step 4: Simplify right side
    11,156.73x = 62,941,578.18
  5. Step 5: Solve for x
    x = 62,941,578.18/11,156.73
  6. Step 6: Final answer
    x = 5,641.58

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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.