Home / 12,440.27-18,650.68-8,481.71

Finding the Fourth Proportional to 12,440.27, 18,650.68 and 8,481.71

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Solution

The fourth proportional to 12,440.27, 18,650.68 and 8,481.71 is: 12,715.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,440.27 : 18,650.68 = 8,481.71 : x
  2. Step 2: Convert to fraction form
    12,440.27/18,650.68 = 8,481.71/x
  3. Step 3: Cross multiply
    12,440.27x = 18,650.68 × 8,481.71
  4. Step 4: Simplify right side
    12,440.27x = 158,189,684.49
  5. Step 5: Solve for x
    x = 158,189,684.49/12,440.27
  6. Step 6: Final answer
    x = 12,715.93

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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.