Home / 18,001.92-27,002.16-5,521.44

Finding the Fourth Proportional to 18,001.92, 27,002.16 and 5,521.44

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Solution

The fourth proportional to 18,001.92, 27,002.16 and 5,521.44 is: 8,281.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,001.92 : 27,002.16 = 5,521.44 : x
  2. Step 2: Convert to fraction form
    18,001.92/27,002.16 = 5,521.44/x
  3. Step 3: Cross multiply
    18,001.92x = 27,002.16 × 5,521.44
  4. Step 4: Simplify right side
    18,001.92x = 149,090,806.31
  5. Step 5: Solve for x
    x = 149,090,806.31/18,001.92
  6. Step 6: Final answer
    x = 8,281.94

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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.