Home / 11,721.92-17,582.27-4,325.76

Finding the Fourth Proportional to 11,721.92, 17,582.27 and 4,325.76

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Solution

The fourth proportional to 11,721.92, 17,582.27 and 4,325.76 is: 6,488.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,721.92 : 17,582.27 = 4,325.76 : x
  2. Step 2: Convert to fraction form
    11,721.92/17,582.27 = 4,325.76/x
  3. Step 3: Cross multiply
    11,721.92x = 17,582.27 × 4,325.76
  4. Step 4: Simplify right side
    11,721.92x = 76,056,658.65
  5. Step 5: Solve for x
    x = 76,056,658.65/11,721.92
  6. Step 6: Final answer
    x = 6,488.42

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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.