Home / 12,146.83-18,220.24-6,949.06

Finding the Fourth Proportional to 12,146.83, 18,220.24 and 6,949.06

Calculator

Solution

The fourth proportional to 12,146.83, 18,220.24 and 6,949.06 is: 10,423.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,146.83 : 18,220.24 = 6,949.06 : x
  2. Step 2: Convert to fraction form
    12,146.83/18,220.24 = 6,949.06/x
  3. Step 3: Cross multiply
    12,146.83x = 18,220.24 × 6,949.06
  4. Step 4: Simplify right side
    12,146.83x = 126,613,449.87
  5. Step 5: Solve for x
    x = 126,613,449.87/12,146.83
  6. Step 6: Final answer
    x = 10,423.58

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.