Home / 20,778.32-31,167.48-5,195.94

Finding the Fourth Proportional to 20,778.32, 31,167.48 and 5,195.94

Calculator

Solution

The fourth proportional to 20,778.32, 31,167.48 and 5,195.94 is: 7,793.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,778.32 : 31,167.48 = 5,195.94 : x
  2. Step 2: Convert to fraction form
    20,778.32/31,167.48 = 5,195.94/x
  3. Step 3: Cross multiply
    20,778.32x = 31,167.48 × 5,195.94
  4. Step 4: Simplify right side
    20,778.32x = 161,944,356.03
  5. Step 5: Solve for x
    x = 161,944,356.03/20,778.32
  6. Step 6: Final answer
    x = 7,793.91

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.