Home / 22.19-30.63-18.14

Finding the Fourth Proportional to 22.19, 30.63 and 18.14

Calculator

Solution

The fourth proportional to 22.19, 30.63 and 18.14 is: 25.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.19 : 30.63 = 18.14 : x
  2. Step 2: Convert to fraction form
    22.19/30.63 = 18.14/x
  3. Step 3: Cross multiply
    22.19x = 30.63 × 18.14
  4. Step 4: Simplify right side
    22.19x = 555.48
  5. Step 5: Solve for x
    x = 555.48/22.19
  6. Step 6: Final answer
    x = 25.04

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.