Home / 19,807.20-29,662.20-13,197.60

Finding the Fourth Proportional to 19,807.20, 29,662.20 and 13,197.60

Calculator

Solution

The fourth proportional to 19,807.20, 29,662.20 and 13,197.60 is: 19,764.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,807.20 : 29,662.20 = 13,197.60 : x
  2. Step 2: Convert to fraction form
    19,807.20/29,662.20 = 13,197.60/x
  3. Step 3: Cross multiply
    19,807.20x = 29,662.20 × 13,197.60
  4. Step 4: Simplify right side
    19,807.20x = 391,469,850.72
  5. Step 5: Solve for x
    x = 391,469,850.72/19,807.20
  6. Step 6: Final answer
    x = 19,764.02

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.