Home / 13,654.57-20,481.86-3,793.85

Finding the Fourth Proportional to 13,654.57, 20,481.86 and 3,793.85

Calculator

Solution

The fourth proportional to 13,654.57, 20,481.86 and 3,793.85 is: 5,690.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,654.57 : 20,481.86 = 3,793.85 : x
  2. Step 2: Convert to fraction form
    13,654.57/20,481.86 = 3,793.85/x
  3. Step 3: Cross multiply
    13,654.57x = 20,481.86 × 3,793.85
  4. Step 4: Simplify right side
    13,654.57x = 77,705,104.56
  5. Step 5: Solve for x
    x = 77,705,104.56/13,654.57
  6. Step 6: Final answer
    x = 5,690.78

Related Problems

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.