Finding the Fourth Proportional to 13,488.48, 20,242 and 4,723.44
Calculator
Solution
The fourth proportional to 13,488.48, 20,242 and 4,723.44 is: 7,088.41
Step by Step Solution
- Step 1: Write the proportion equation
13,488.48 : 20,242 = 4,723.44 : x - Step 2: Convert to fraction form
13,488.48/20,242 = 4,723.44/x - Step 3: Cross multiply
13,488.48x = 20,242 × 4,723.44 - Step 4: Simplify right side
13,488.48x = 95,611,872.48 - Step 5: Solve for x
x = 95,611,872.48/13,488.48 - Step 6: Final answer
x = 7,088.41
Related Problems
Find fourth proportional to 6,744.24, 10,121 and 2,361.72
Half scale
Find fourth proportional to 26,976.96, 40,484 and 9,446.88
Double scale
Find fourth proportional to 13,489.48, 20,243.50 and 4,724.44
Similar ratio
Find fourth proportional to 20,232.72, 30,363 and 7,085.16
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.