Home / 11,511.92-17,269.56-3,721.52

Finding the Fourth Proportional to 11,511.92, 17,269.56 and 3,721.52

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Solution

The fourth proportional to 11,511.92, 17,269.56 and 3,721.52 is: 5,582.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,511.92 : 17,269.56 = 3,721.52 : x
  2. Step 2: Convert to fraction form
    11,511.92/17,269.56 = 3,721.52/x
  3. Step 3: Cross multiply
    11,511.92x = 17,269.56 × 3,721.52
  4. Step 4: Simplify right side
    11,511.92x = 64,269,012.93
  5. Step 5: Solve for x
    x = 64,269,012.93/11,511.92
  6. Step 6: Final answer
    x = 5,582.82

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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.