Finding the Fourth Proportional to 18,135.28, 27,190.48 and 6,286.08
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Solution
The fourth proportional to 18,135.28, 27,190.48 and 6,286.08 is: 9,424.81
Step by Step Solution
- Step 1: Write the proportion equation
18,135.28 : 27,190.48 = 6,286.08 : x - Step 2: Convert to fraction form
18,135.28/27,190.48 = 6,286.08/x - Step 3: Cross multiply
18,135.28x = 27,190.48 × 6,286.08 - Step 4: Simplify right side
18,135.28x = 170,921,532.52 - Step 5: Solve for x
x = 170,921,532.52/18,135.28 - Step 6: Final answer
x = 9,424.81
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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.