Home / 11,517.20-17,275.80-3,199.31

Finding the Fourth Proportional to 11,517.20, 17,275.80 and 3,199.31

Calculator

Solution

The fourth proportional to 11,517.20, 17,275.80 and 3,199.31 is: 4,798.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,517.20 : 17,275.80 = 3,199.31 : x
  2. Step 2: Convert to fraction form
    11,517.20/17,275.80 = 3,199.31/x
  3. Step 3: Cross multiply
    11,517.20x = 17,275.80 × 3,199.31
  4. Step 4: Simplify right side
    11,517.20x = 55,270,639.70
  5. Step 5: Solve for x
    x = 55,270,639.70/11,517.20
  6. Step 6: Final answer
    x = 4,798.97

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.