Home / 18,100.29-27,144.36-8,098.77

Finding the Fourth Proportional to 18,100.29, 27,144.36 and 8,098.77

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Solution

The fourth proportional to 18,100.29, 27,144.36 and 8,098.77 is: 12,145.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,100.29 : 27,144.36 = 8,098.77 : x
  2. Step 2: Convert to fraction form
    18,100.29/27,144.36 = 8,098.77/x
  3. Step 3: Cross multiply
    18,100.29x = 27,144.36 × 8,098.77
  4. Step 4: Simplify right side
    18,100.29x = 219,835,928.44
  5. Step 5: Solve for x
    x = 219,835,928.44/18,100.29
  6. Step 6: Final answer
    x = 12,145.44

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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.