Finding the Fourth Proportional to 11,150, 16,725 and 2,942
Calculator
Solution
The fourth proportional to 11,150, 16,725 and 2,942 is: 4,413
Step by Step Solution
- Step 1: Write the proportion equation
11,150 : 16,725 = 2,942 : x - Step 2: Convert to fraction form
11,150/16,725 = 2,942/x - Step 3: Cross multiply
11,150x = 16,725 × 2,942 - Step 4: Simplify right side
11,150x = 49,204,950 - Step 5: Solve for x
x = 49,204,950/11,150 - Step 6: Final answer
x = 4,413
Related Problems
Find fourth proportional to 5,575, 8,362.50 and 1,471
Half scale
Find fourth proportional to 22,300, 33,450 and 5,884
Double scale
Find fourth proportional to 11,151, 16,726.50 and 2,943
Similar ratio
Find fourth proportional to 16,725, 25,087.50 and 4,413
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.