Home / 20,105.94-30,163.92-6,065.62

Finding the Fourth Proportional to 20,105.94, 30,163.92 and 6,065.62

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Solution

The fourth proportional to 20,105.94, 30,163.92 and 6,065.62 is: 9,099.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,105.94 : 30,163.92 = 6,065.62 : x
  2. Step 2: Convert to fraction form
    20,105.94/30,163.92 = 6,065.62/x
  3. Step 3: Cross multiply
    20,105.94x = 30,163.92 × 6,065.62
  4. Step 4: Simplify right side
    20,105.94x = 182,962,876.43
  5. Step 5: Solve for x
    x = 182,962,876.43/20,105.94
  6. Step 6: Final answer
    x = 9,099.94

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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.