Home / 14,687.25-20,268.41-8,399.63

Finding the Fourth Proportional to 14,687.25, 20,268.41 and 8,399.63

Calculator

Solution

The fourth proportional to 14,687.25, 20,268.41 and 8,399.63 is: 11,591.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,687.25 : 20,268.41 = 8,399.63 : x
  2. Step 2: Convert to fraction form
    14,687.25/20,268.41 = 8,399.63/x
  3. Step 3: Cross multiply
    14,687.25x = 20,268.41 × 8,399.63
  4. Step 4: Simplify right side
    14,687.25x = 170,247,144.69
  5. Step 5: Solve for x
    x = 170,247,144.69/14,687.25
  6. Step 6: Final answer
    x = 11,591.49

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.