Home / 16.14-24.21-6

Finding the Fourth Proportional to 16.14, 24.21 and 6

Calculator

Solution

The fourth proportional to 16.14, 24.21 and 6 is: 9

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.14 : 24.21 = 6 : x
  2. Step 2: Convert to fraction form
    16.14/24.21 = 6/x
  3. Step 3: Cross multiply
    16.14x = 24.21 × 6
  4. Step 4: Simplify right side
    16.14x = 145.26
  5. Step 5: Solve for x
    x = 145.26/16.14
  6. Step 6: Final answer
    x = 9

Related Problems

Find fourth proportional to 8.07, 12.11 and 3
Half scale
Find fourth proportional to 32.28, 48.42 and 12
Double scale
Find fourth proportional to 17.14, 25.71 and 7
Similar ratio
Find fourth proportional to 24.21, 36.32 and 9
1.5x scale

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.