Home / 23,311.20-34,991.10-13,469.70

Finding the Fourth Proportional to 23,311.20, 34,991.10 and 13,469.70

Calculator

Solution

The fourth proportional to 23,311.20, 34,991.10 and 13,469.70 is: 20,218.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,311.20 : 34,991.10 = 13,469.70 : x
  2. Step 2: Convert to fraction form
    23,311.20/34,991.10 = 13,469.70/x
  3. Step 3: Cross multiply
    23,311.20x = 34,991.10 × 13,469.70
  4. Step 4: Simplify right side
    23,311.20x = 471,319,619.67
  5. Step 5: Solve for x
    x = 471,319,619.67/23,311.20
  6. Step 6: Final answer
    x = 20,218.59

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.