Finding the Fourth Proportional to 11,136.12, 16,706.77 and 3,238.83
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Solution
The fourth proportional to 11,136.12, 16,706.77 and 3,238.83 is: 4,858.99
Step by Step Solution
- Step 1: Write the proportion equation
11,136.12 : 16,706.77 = 3,238.83 : x - Step 2: Convert to fraction form
11,136.12/16,706.77 = 3,238.83/x - Step 3: Cross multiply
11,136.12x = 16,706.77 × 3,238.83 - Step 4: Simplify right side
11,136.12x = 54,110,317.13 - Step 5: Solve for x
x = 54,110,317.13/11,136.12 - Step 6: Final answer
x = 4,858.99
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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.