Home / 16,786.38-25,177.92-5,099.70

Finding the Fourth Proportional to 16,786.38, 25,177.92 and 5,099.70

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Solution

The fourth proportional to 16,786.38, 25,177.92 and 5,099.70 is: 7,649.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,786.38 : 25,177.92 = 5,099.70 : x
  2. Step 2: Convert to fraction form
    16,786.38/25,177.92 = 5,099.70/x
  3. Step 3: Cross multiply
    16,786.38x = 25,177.92 × 5,099.70
  4. Step 4: Simplify right side
    16,786.38x = 128,399,838.62
  5. Step 5: Solve for x
    x = 128,399,838.62/16,786.38
  6. Step 6: Final answer
    x = 7,649.05

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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.