Home / 13,773.36-20,649.78-5,446.56

Finding the Fourth Proportional to 13,773.36, 20,649.78 and 5,446.56

Calculator

Solution

The fourth proportional to 13,773.36, 20,649.78 and 5,446.56 is: 8,165.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,773.36 : 20,649.78 = 5,446.56 : x
  2. Step 2: Convert to fraction form
    13,773.36/20,649.78 = 5,446.56/x
  3. Step 3: Cross multiply
    13,773.36x = 20,649.78 × 5,446.56
  4. Step 4: Simplify right side
    13,773.36x = 112,470,265.76
  5. Step 5: Solve for x
    x = 112,470,265.76/13,773.36
  6. Step 6: Final answer
    x = 8,165.78

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.