Home / 20,213.69-27,894.92-11,717.46

Finding the Fourth Proportional to 20,213.69, 27,894.92 and 11,717.46

Calculator

Solution

The fourth proportional to 20,213.69, 27,894.92 and 11,717.46 is: 16,170.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,213.69 : 27,894.92 = 11,717.46 : x
  2. Step 2: Convert to fraction form
    20,213.69/27,894.92 = 11,717.46/x
  3. Step 3: Cross multiply
    20,213.69x = 27,894.92 × 11,717.46
  4. Step 4: Simplify right side
    20,213.69x = 326,857,550.72
  5. Step 5: Solve for x
    x = 326,857,550.72/20,213.69
  6. Step 6: Final answer
    x = 16,170.11

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.