Finding the Fourth Proportional to 18,195.78, 27,286.36 and 6,502.62
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Solution
The fourth proportional to 18,195.78, 27,286.36 and 6,502.62 is: 9,751.32
Step by Step Solution
- Step 1: Write the proportion equation
18,195.78 : 27,286.36 = 6,502.62 : x - Step 2: Convert to fraction form
18,195.78/27,286.36 = 6,502.62/x - Step 3: Cross multiply
18,195.78x = 27,286.36 × 6,502.62 - Step 4: Simplify right side
18,195.78x = 177,432,830.26 - Step 5: Solve for x
x = 177,432,830.26/18,195.78 - Step 6: Final answer
x = 9,751.32
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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.