Home / 14.01-21.03-6

Finding the Fourth Proportional to 14.01, 21.03 and 6

Calculator

Solution

The fourth proportional to 14.01, 21.03 and 6 is: 9.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.01 : 21.03 = 6 : x
  2. Step 2: Convert to fraction form
    14.01/21.03 = 6/x
  3. Step 3: Cross multiply
    14.01x = 21.03 × 6
  4. Step 4: Simplify right side
    14.01x = 126.18
  5. Step 5: Solve for x
    x = 126.18/14.01
  6. Step 6: Final answer
    x = 9.01

Related Problems

Find fourth proportional to 7.01, 10.52 and 3
Half scale
Find fourth proportional to 28.02, 42.06 and 12
Double scale
Find fourth proportional to 15.01, 22.53 and 7
Similar ratio
Find fourth proportional to 21.02, 31.55 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.