Finding the Fourth Proportional to 10,163.25, 15,245.69 and 2,768.31
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Solution
The fourth proportional to 10,163.25, 15,245.69 and 2,768.31 is: 4,152.69
Step by Step Solution
- Step 1: Write the proportion equation
10,163.25 : 15,245.69 = 2,768.31 : x - Step 2: Convert to fraction form
10,163.25/15,245.69 = 2,768.31/x - Step 3: Cross multiply
10,163.25x = 15,245.69 × 2,768.31 - Step 4: Simplify right side
10,163.25x = 42,204,782.24 - Step 5: Solve for x
x = 42,204,782.24/10,163.25 - Step 6: Final answer
x = 4,152.69
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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.