Home / 16.82-25.23-5.40

Finding the Fourth Proportional to 16.82, 25.23 and 5.40

Calculator

Solution

The fourth proportional to 16.82, 25.23 and 5.40 is: 8.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.82 : 25.23 = 5.40 : x
  2. Step 2: Convert to fraction form
    16.82/25.23 = 5.40/x
  3. Step 3: Cross multiply
    16.82x = 25.23 × 5.40
  4. Step 4: Simplify right side
    16.82x = 136.24
  5. Step 5: Solve for x
    x = 136.24/16.82
  6. Step 6: Final answer
    x = 8.10

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.