Home / 20,105.44-30,163.17-6,065.12

Finding the Fourth Proportional to 20,105.44, 30,163.17 and 6,065.12

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Solution

The fourth proportional to 20,105.44, 30,163.17 and 6,065.12 is: 9,099.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,105.44 : 30,163.17 = 6,065.12 : x
  2. Step 2: Convert to fraction form
    20,105.44/30,163.17 = 6,065.12/x
  3. Step 3: Cross multiply
    20,105.44x = 30,163.17 × 6,065.12
  4. Step 4: Simplify right side
    20,105.44x = 182,943,245.63
  5. Step 5: Solve for x
    x = 182,943,245.63/20,105.44
  6. Step 6: Final answer
    x = 9,099.19

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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.