Home / 22.18-30.54-18.10

Finding the Fourth Proportional to 22.18, 30.54 and 18.10

Calculator

Solution

The fourth proportional to 22.18, 30.54 and 18.10 is: 24.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.18 : 30.54 = 18.10 : x
  2. Step 2: Convert to fraction form
    22.18/30.54 = 18.10/x
  3. Step 3: Cross multiply
    22.18x = 30.54 × 18.10
  4. Step 4: Simplify right side
    22.18x = 552.77
  5. Step 5: Solve for x
    x = 552.77/22.18
  6. Step 6: Final answer
    x = 24.92

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.