Home / 12,169.10-18,255.68-3,847.16

Finding the Fourth Proportional to 12,169.10, 18,255.68 and 3,847.16

Calculator

Solution

The fourth proportional to 12,169.10, 18,255.68 and 3,847.16 is: 5,771.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,169.10 : 18,255.68 = 3,847.16 : x
  2. Step 2: Convert to fraction form
    12,169.10/18,255.68 = 3,847.16/x
  3. Step 3: Cross multiply
    12,169.10x = 18,255.68 × 3,847.16
  4. Step 4: Simplify right side
    12,169.10x = 70,232,562.70
  5. Step 5: Solve for x
    x = 70,232,562.70/12,169.10
  6. Step 6: Final answer
    x = 5,771.38

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.