Home / 20,219.92-30,334.32-6,181.12

Finding the Fourth Proportional to 20,219.92, 30,334.32 and 6,181.12

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Solution

The fourth proportional to 20,219.92, 30,334.32 and 6,181.12 is: 9,273.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,219.92 : 30,334.32 = 6,181.12 : x
  2. Step 2: Convert to fraction form
    20,219.92/30,334.32 = 6,181.12/x
  3. Step 3: Cross multiply
    20,219.92x = 30,334.32 × 6,181.12
  4. Step 4: Simplify right side
    20,219.92x = 187,500,072.04
  5. Step 5: Solve for x
    x = 187,500,072.04/20,219.92
  6. Step 6: Final answer
    x = 9,273.04

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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.