Home / 21,168.56-29,212.20-11,737.04

Finding the Fourth Proportional to 21,168.56, 29,212.20 and 11,737.04

Calculator

Solution

The fourth proportional to 21,168.56, 29,212.20 and 11,737.04 is: 16,196.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,168.56 : 29,212.20 = 11,737.04 : x
  2. Step 2: Convert to fraction form
    21,168.56/29,212.20 = 11,737.04/x
  3. Step 3: Cross multiply
    21,168.56x = 29,212.20 × 11,737.04
  4. Step 4: Simplify right side
    21,168.56x = 342,864,759.89
  5. Step 5: Solve for x
    x = 342,864,759.89/21,168.56
  6. Step 6: Final answer
    x = 16,196.89

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.