Home / 21,391.20-32,086.20-9,704.40

Finding the Fourth Proportional to 21,391.20, 32,086.20 and 9,704.40

Calculator

Solution

The fourth proportional to 21,391.20, 32,086.20 and 9,704.40 is: 14,556.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,391.20 : 32,086.20 = 9,704.40 : x
  2. Step 2: Convert to fraction form
    21,391.20/32,086.20 = 9,704.40/x
  3. Step 3: Cross multiply
    21,391.20x = 32,086.20 × 9,704.40
  4. Step 4: Simplify right side
    21,391.20x = 311,377,319.28
  5. Step 5: Solve for x
    x = 311,377,319.28/21,391.20
  6. Step 6: Final answer
    x = 14,556.33

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.