Home / 22,138.45-30,550.78-12,066.86

Finding the Fourth Proportional to 22,138.45, 30,550.78 and 12,066.86

Calculator

Solution

The fourth proportional to 22,138.45, 30,550.78 and 12,066.86 is: 16,652.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,138.45 : 30,550.78 = 12,066.86 : x
  2. Step 2: Convert to fraction form
    22,138.45/30,550.78 = 12,066.86/x
  3. Step 3: Cross multiply
    22,138.45x = 30,550.78 × 12,066.86
  4. Step 4: Simplify right side
    22,138.45x = 368,651,832.40
  5. Step 5: Solve for x
    x = 368,651,832.40/22,138.45
  6. Step 6: Final answer
    x = 16,652.11

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.