Home / 22,550.32-31,125.69-13,120.70

Finding the Fourth Proportional to 22,550.32, 31,125.69 and 13,120.70

Calculator

Solution

The fourth proportional to 22,550.32, 31,125.69 and 13,120.70 is: 18,110.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,550.32 : 31,125.69 = 13,120.70 : x
  2. Step 2: Convert to fraction form
    22,550.32/31,125.69 = 13,120.70/x
  3. Step 3: Cross multiply
    22,550.32x = 31,125.69 × 13,120.70
  4. Step 4: Simplify right side
    22,550.32x = 408,390,840.78
  5. Step 5: Solve for x
    x = 408,390,840.78/22,550.32
  6. Step 6: Final answer
    x = 18,110.21

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.