Home / 13,991.58-20,992.23-6,205.86

Finding the Fourth Proportional to 13,991.58, 20,992.23 and 6,205.86

Calculator

Solution

The fourth proportional to 13,991.58, 20,992.23 and 6,205.86 is: 9,310.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,991.58 : 20,992.23 = 6,205.86 : x
  2. Step 2: Convert to fraction form
    13,991.58/20,992.23 = 6,205.86/x
  3. Step 3: Cross multiply
    13,991.58x = 20,992.23 × 6,205.86
  4. Step 4: Simplify right side
    13,991.58x = 130,274,840.47
  5. Step 5: Solve for x
    x = 130,274,840.47/13,991.58
  6. Step 6: Final answer
    x = 9,310.95

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.