Home / 13.52-18.60-11.68

Finding the Fourth Proportional to 13.52, 18.60 and 11.68

Calculator

Solution

The fourth proportional to 13.52, 18.60 and 11.68 is: 16.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13.52 : 18.60 = 11.68 : x
  2. Step 2: Convert to fraction form
    13.52/18.60 = 11.68/x
  3. Step 3: Cross multiply
    13.52x = 18.60 × 11.68
  4. Step 4: Simplify right side
    13.52x = 217.25
  5. Step 5: Solve for x
    x = 217.25/13.52
  6. Step 6: Final answer
    x = 16.07

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.