Home / 20,164.92-30,249.81-8,476.62

Finding the Fourth Proportional to 20,164.92, 30,249.81 and 8,476.62

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Solution

The fourth proportional to 20,164.92, 30,249.81 and 8,476.62 is: 12,715.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,164.92 : 30,249.81 = 8,476.62 : x
  2. Step 2: Convert to fraction form
    20,164.92/30,249.81 = 8,476.62/x
  3. Step 3: Cross multiply
    20,164.92x = 30,249.81 × 8,476.62
  4. Step 4: Simplify right side
    20,164.92x = 256,416,144.44
  5. Step 5: Solve for x
    x = 256,416,144.44/20,164.92
  6. Step 6: Final answer
    x = 12,715.95

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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.