Home / 20,180.96-30,276.30-6,329.96

Finding the Fourth Proportional to 20,180.96, 30,276.30 and 6,329.96

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Solution

The fourth proportional to 20,180.96, 30,276.30 and 6,329.96 is: 9,496.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,180.96 : 30,276.30 = 6,329.96 : x
  2. Step 2: Convert to fraction form
    20,180.96/30,276.30 = 6,329.96/x
  3. Step 3: Cross multiply
    20,180.96x = 30,276.30 × 6,329.96
  4. Step 4: Simplify right side
    20,180.96x = 191,647,767.95
  5. Step 5: Solve for x
    x = 191,647,767.95/20,180.96
  6. Step 6: Final answer
    x = 9,496.46

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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.