Home / 18,010.72-27,021.56-8,150.09

Finding the Fourth Proportional to 18,010.72, 27,021.56 and 8,150.09

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Solution

The fourth proportional to 18,010.72, 27,021.56 and 8,150.09 is: 12,227.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,010.72 : 27,021.56 = 8,150.09 : x
  2. Step 2: Convert to fraction form
    18,010.72/27,021.56 = 8,150.09/x
  3. Step 3: Cross multiply
    18,010.72x = 27,021.56 × 8,150.09
  4. Step 4: Simplify right side
    18,010.72x = 220,228,031.21
  5. Step 5: Solve for x
    x = 220,228,031.21/18,010.72
  6. Step 6: Final answer
    x = 12,227.61

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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.