Home / 11,521.92-17,286.39-5,979.24

Finding the Fourth Proportional to 11,521.92, 17,286.39 and 5,979.24

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Solution

The fourth proportional to 11,521.92, 17,286.39 and 5,979.24 is: 8,970.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,521.92 : 17,286.39 = 5,979.24 : x
  2. Step 2: Convert to fraction form
    11,521.92/17,286.39 = 5,979.24/x
  3. Step 3: Cross multiply
    11,521.92x = 17,286.39 × 5,979.24
  4. Step 4: Simplify right side
    11,521.92x = 103,359,474.54
  5. Step 5: Solve for x
    x = 103,359,474.54/11,521.92
  6. Step 6: Final answer
    x = 8,970.68

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1.5x scale

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.