Home / 11.14-16.70-6

Finding the Fourth Proportional to 11.14, 16.70 and 6

Calculator

Solution

The fourth proportional to 11.14, 16.70 and 6 is: 8.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11.14 : 16.70 = 6 : x
  2. Step 2: Convert to fraction form
    11.14/16.70 = 6/x
  3. Step 3: Cross multiply
    11.14x = 16.70 × 6
  4. Step 4: Simplify right side
    11.14x = 100.19
  5. Step 5: Solve for x
    x = 100.19/11.14
  6. Step 6: Final answer
    x = 8.99

Related Problems

Find fourth proportional to 5.57, 8.35 and 3
Half scale
Find fourth proportional to 22.28, 33.40 and 12
Double scale
Find fourth proportional to 12.14, 18.20 and 7
Similar ratio
Find fourth proportional to 16.71, 25.05 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.