Home / 20,119.59-30,234.06-10,766.52

Finding the Fourth Proportional to 20,119.59, 30,234.06 and 10,766.52

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Solution

The fourth proportional to 20,119.59, 30,234.06 and 10,766.52 is: 16,179.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,119.59 : 30,234.06 = 10,766.52 : x
  2. Step 2: Convert to fraction form
    20,119.59/30,234.06 = 10,766.52/x
  3. Step 3: Cross multiply
    20,119.59x = 30,234.06 × 10,766.52
  4. Step 4: Simplify right side
    20,119.59x = 325,515,611.67
  5. Step 5: Solve for x
    x = 325,515,611.67/20,119.59
  6. Step 6: Final answer
    x = 16,179.04

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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.