Home / 13,366.26-18,448.20-11,125.80

Finding the Fourth Proportional to 13,366.26, 18,448.20 and 11,125.80

Calculator

Solution

The fourth proportional to 13,366.26, 18,448.20 and 11,125.80 is: 15,355.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366.26 : 18,448.20 = 11,125.80 : x
  2. Step 2: Convert to fraction form
    13,366.26/18,448.20 = 11,125.80/x
  3. Step 3: Cross multiply
    13,366.26x = 18,448.20 × 11,125.80
  4. Step 4: Simplify right side
    13,366.26x = 205,250,983.56
  5. Step 5: Solve for x
    x = 205,250,983.56/13,366.26
  6. Step 6: Final answer
    x = 15,355.90

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.