Home / 11,722.20-16,179.39-7,743.48

Finding the Fourth Proportional to 11,722.20, 16,179.39 and 7,743.48

Calculator

Solution

The fourth proportional to 11,722.20, 16,179.39 and 7,743.48 is: 10,687.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,722.20 : 16,179.39 = 7,743.48 : x
  2. Step 2: Convert to fraction form
    11,722.20/16,179.39 = 7,743.48/x
  3. Step 3: Cross multiply
    11,722.20x = 16,179.39 × 7,743.48
  4. Step 4: Simplify right side
    11,722.20x = 125,284,782.88
  5. Step 5: Solve for x
    x = 125,284,782.88/11,722.20
  6. Step 6: Final answer
    x = 10,687.82

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.