Home / 12,449.68-17,180.22-6,860.68

Finding the Fourth Proportional to 12,449.68, 17,180.22 and 6,860.68

Calculator

Solution

The fourth proportional to 12,449.68, 17,180.22 and 6,860.68 is: 9,467.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,449.68 : 17,180.22 = 6,860.68 : x
  2. Step 2: Convert to fraction form
    12,449.68/17,180.22 = 6,860.68/x
  3. Step 3: Cross multiply
    12,449.68x = 17,180.22 × 6,860.68
  4. Step 4: Simplify right side
    12,449.68x = 117,867,991.75
  5. Step 5: Solve for x
    x = 117,867,991.75/12,449.68
  6. Step 6: Final answer
    x = 9,467.55

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.