Home / 20,359.96-30,540.54-7,706.95

Finding the Fourth Proportional to 20,359.96, 30,540.54 and 7,706.95

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Solution

The fourth proportional to 20,359.96, 30,540.54 and 7,706.95 is: 11,560.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,359.96 : 30,540.54 = 7,706.95 : x
  2. Step 2: Convert to fraction form
    20,359.96/30,540.54 = 7,706.95/x
  3. Step 3: Cross multiply
    20,359.96x = 30,540.54 × 7,706.95
  4. Step 4: Simplify right side
    20,359.96x = 235,374,367.30
  5. Step 5: Solve for x
    x = 235,374,367.30/20,359.96
  6. Step 6: Final answer
    x = 11,560.65

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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.