Home / 12,080.19-18,118.16-3,195.60

Finding the Fourth Proportional to 12,080.19, 18,118.16 and 3,195.60

Calculator

Solution

The fourth proportional to 12,080.19, 18,118.16 and 3,195.60 is: 4,792.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,080.19 : 18,118.16 = 3,195.60 : x
  2. Step 2: Convert to fraction form
    12,080.19/18,118.16 = 3,195.60/x
  3. Step 3: Cross multiply
    12,080.19x = 18,118.16 × 3,195.60
  4. Step 4: Simplify right side
    12,080.19x = 57,898,376.12
  5. Step 5: Solve for x
    x = 57,898,376.12/12,080.19
  6. Step 6: Final answer
    x = 4,792.84

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.