Home / 17,778.92-26,672.28-6,685.61

Finding the Fourth Proportional to 17,778.92, 26,672.28 and 6,685.61

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Solution

The fourth proportional to 17,778.92, 26,672.28 and 6,685.61 is: 10,029.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,778.92 : 26,672.28 = 6,685.61 : x
  2. Step 2: Convert to fraction form
    17,778.92/26,672.28 = 6,685.61/x
  3. Step 3: Cross multiply
    17,778.92x = 26,672.28 × 6,685.61
  4. Step 4: Simplify right side
    17,778.92x = 178,320,366.24
  5. Step 5: Solve for x
    x = 178,320,366.24/17,778.92
  6. Step 6: Final answer
    x = 10,029.88

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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.