Home / 20,370.56-30,560.24-6,330.32

Finding the Fourth Proportional to 20,370.56, 30,560.24 and 6,330.32

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Solution

The fourth proportional to 20,370.56, 30,560.24 and 6,330.32 is: 9,496.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,370.56 : 30,560.24 = 6,330.32 : x
  2. Step 2: Convert to fraction form
    20,370.56/30,560.24 = 6,330.32/x
  3. Step 3: Cross multiply
    20,370.56x = 30,560.24 × 6,330.32
  4. Step 4: Simplify right side
    20,370.56x = 193,456,098.48
  5. Step 5: Solve for x
    x = 193,456,098.48/20,370.56
  6. Step 6: Final answer
    x = 9,496.85

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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.