Home / 20,277.75-30,418.01-6,236.91

Finding the Fourth Proportional to 20,277.75, 30,418.01 and 6,236.91

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Solution

The fourth proportional to 20,277.75, 30,418.01 and 6,236.91 is: 9,355.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,277.75 : 30,418.01 = 6,236.91 : x
  2. Step 2: Convert to fraction form
    20,277.75/30,418.01 = 6,236.91/x
  3. Step 3: Cross multiply
    20,277.75x = 30,418.01 × 6,236.91
  4. Step 4: Simplify right side
    20,277.75x = 189,714,359.56
  5. Step 5: Solve for x
    x = 189,714,359.56/20,277.75
  6. Step 6: Final answer
    x = 9,355.79

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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.