Home / 22,000-30,360-12,064

Finding the Fourth Proportional to 22,000, 30,360 and 12,064

Calculator

Solution

The fourth proportional to 22,000, 30,360 and 12,064 is: 16,648.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,000 : 30,360 = 12,064 : x
  2. Step 2: Convert to fraction form
    22,000/30,360 = 12,064/x
  3. Step 3: Cross multiply
    22,000x = 30,360 × 12,064
  4. Step 4: Simplify right side
    22,000x = 366,263,040
  5. Step 5: Solve for x
    x = 366,263,040/22,000
  6. Step 6: Final answer
    x = 16,648.32

Related Problems

Find fourth proportional to 11,000, 15,180 and 6,032
Half scale
Find fourth proportional to 44,000, 60,720 and 24,128
Double scale
Find fourth proportional to 22,001, 30,361.38 and 12,065
Similar ratio
Find fourth proportional to 33,000, 45,540 and 18,096
1.5x scale

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.