Home / 12,149.68-18,224.52-6,951.94

Finding the Fourth Proportional to 12,149.68, 18,224.52 and 6,951.94

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Solution

The fourth proportional to 12,149.68, 18,224.52 and 6,951.94 is: 10,427.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,149.68 : 18,224.52 = 6,951.94 : x
  2. Step 2: Convert to fraction form
    12,149.68/18,224.52 = 6,951.94/x
  3. Step 3: Cross multiply
    12,149.68x = 18,224.52 × 6,951.94
  4. Step 4: Simplify right side
    12,149.68x = 126,695,769.57
  5. Step 5: Solve for x
    x = 126,695,769.57/12,149.68
  6. Step 6: Final answer
    x = 10,427.91

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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.