Home / 21,297.91-29,391.31-11,738.14

Finding the Fourth Proportional to 21,297.91, 29,391.31 and 11,738.14

Calculator

Solution

The fourth proportional to 21,297.91, 29,391.31 and 11,738.14 is: 16,198.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,297.91 : 29,391.31 = 11,738.14 : x
  2. Step 2: Convert to fraction form
    21,297.91/29,391.31 = 11,738.14/x
  3. Step 3: Cross multiply
    21,297.91x = 29,391.31 × 11,738.14
  4. Step 4: Simplify right side
    21,297.91x = 344,999,131.62
  5. Step 5: Solve for x
    x = 344,999,131.62/21,297.91
  6. Step 6: Final answer
    x = 16,198.73

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.