Home / 17-23.43-13.92

Finding the Fourth Proportional to 17, 23.43 and 13.92

Calculator

Solution

The fourth proportional to 17, 23.43 and 13.92 is: 19.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17 : 23.43 = 13.92 : x
  2. Step 2: Convert to fraction form
    17/23.43 = 13.92/x
  3. Step 3: Cross multiply
    17x = 23.43 × 13.92
  4. Step 4: Simplify right side
    17x = 326.15
  5. Step 5: Solve for x
    x = 326.15/17
  6. Step 6: Final answer
    x = 19.19

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.