Home / 18,517.78-25,550.58-10,966.48

Finding the Fourth Proportional to 18,517.78, 25,550.58 and 10,966.48

Calculator

Solution

The fourth proportional to 18,517.78, 25,550.58 and 10,966.48 is: 15,131.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,517.78 : 25,550.58 = 10,966.48 : x
  2. Step 2: Convert to fraction form
    18,517.78/25,550.58 = 10,966.48/x
  3. Step 3: Cross multiply
    18,517.78x = 25,550.58 × 10,966.48
  4. Step 4: Simplify right side
    18,517.78x = 280,199,924.56
  5. Step 5: Solve for x
    x = 280,199,924.56/18,517.78
  6. Step 6: Final answer
    x = 15,131.40

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.