Home / 11,978.11-17,967.26-3,659.41

Finding the Fourth Proportional to 11,978.11, 17,967.26 and 3,659.41

Calculator

Solution

The fourth proportional to 11,978.11, 17,967.26 and 3,659.41 is: 5,489.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,978.11 : 17,967.26 = 3,659.41 : x
  2. Step 2: Convert to fraction form
    11,978.11/17,967.26 = 3,659.41/x
  3. Step 3: Cross multiply
    11,978.11x = 17,967.26 × 3,659.41
  4. Step 4: Simplify right side
    11,978.11x = 65,749,570.92
  5. Step 5: Solve for x
    x = 65,749,570.92/11,978.11
  6. Step 6: Final answer
    x = 5,489.14

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.