Home / 18,149.29-27,227.12-8,289.56

Finding the Fourth Proportional to 18,149.29, 27,227.12 and 8,289.56

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Solution

The fourth proportional to 18,149.29, 27,227.12 and 8,289.56 is: 12,435.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,149.29 : 27,227.12 = 8,289.56 : x
  2. Step 2: Convert to fraction form
    18,149.29/27,227.12 = 8,289.56/x
  3. Step 3: Cross multiply
    18,149.29x = 27,227.12 × 8,289.56
  4. Step 4: Simplify right side
    18,149.29x = 225,700,871.49
  5. Step 5: Solve for x
    x = 225,700,871.49/18,149.29
  6. Step 6: Final answer
    x = 12,435.80

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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.