Finding the Fourth Proportional to 21,348, 32,022 and 6,756
Calculator
Solution
The fourth proportional to 21,348, 32,022 and 6,756 is: 10,134
Step by Step Solution
- Step 1: Write the proportion equation
21,348 : 32,022 = 6,756 : x - Step 2: Convert to fraction form
21,348/32,022 = 6,756/x - Step 3: Cross multiply
21,348x = 32,022 × 6,756 - Step 4: Simplify right side
21,348x = 216,340,632 - Step 5: Solve for x
x = 216,340,632/21,348 - Step 6: Final answer
x = 10,134
Related Problems
Find fourth proportional to 10,674, 16,011 and 3,378
Half scale
Find fourth proportional to 42,696, 64,044 and 13,512
Double scale
Find fourth proportional to 21,349, 32,023.50 and 6,757
Similar ratio
Find fourth proportional to 32,022, 48,033 and 10,134
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.