Home / 20,261.42-30,382.69-6,217.83

Finding the Fourth Proportional to 20,261.42, 30,382.69 and 6,217.83

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Solution

The fourth proportional to 20,261.42, 30,382.69 and 6,217.83 is: 9,323.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,261.42 : 30,382.69 = 6,217.83 : x
  2. Step 2: Convert to fraction form
    20,261.42/30,382.69 = 6,217.83/x
  3. Step 3: Cross multiply
    20,261.42x = 30,382.69 × 6,217.83
  4. Step 4: Simplify right side
    20,261.42x = 188,914,401.36
  5. Step 5: Solve for x
    x = 188,914,401.36/20,261.42
  6. Step 6: Final answer
    x = 9,323.85

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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.