Home / 13,179.82-19,770.76-3,819.98

Finding the Fourth Proportional to 13,179.82, 19,770.76 and 3,819.98

Calculator

Solution

The fourth proportional to 13,179.82, 19,770.76 and 3,819.98 is: 5,730.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,179.82 : 19,770.76 = 3,819.98 : x
  2. Step 2: Convert to fraction form
    13,179.82/19,770.76 = 3,819.98/x
  3. Step 3: Cross multiply
    13,179.82x = 19,770.76 × 3,819.98
  4. Step 4: Simplify right side
    13,179.82x = 75,523,907.78
  5. Step 5: Solve for x
    x = 75,523,907.78/13,179.82
  6. Step 6: Final answer
    x = 5,730.27

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.