Home / 11,217.60-15,481.44-6,742.80

Finding the Fourth Proportional to 11,217.60, 15,481.44 and 6,742.80

Calculator

Solution

The fourth proportional to 11,217.60, 15,481.44 and 6,742.80 is: 9,305.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,217.60 : 15,481.44 = 6,742.80 : x
  2. Step 2: Convert to fraction form
    11,217.60/15,481.44 = 6,742.80/x
  3. Step 3: Cross multiply
    11,217.60x = 15,481.44 × 6,742.80
  4. Step 4: Simplify right side
    11,217.60x = 104,388,253.63
  5. Step 5: Solve for x
    x = 104,388,253.63/11,217.60
  6. Step 6: Final answer
    x = 9,305.76

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.