Finding the Fourth Proportional to 11,530.14, 17,294.81 and 3,738.75
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Solution
The fourth proportional to 11,530.14, 17,294.81 and 3,738.75 is: 5,607.99
Step by Step Solution
- Step 1: Write the proportion equation
11,530.14 : 17,294.81 = 3,738.75 : x - Step 2: Convert to fraction form
11,530.14/17,294.81 = 3,738.75/x - Step 3: Cross multiply
11,530.14x = 17,294.81 × 3,738.75 - Step 4: Simplify right side
11,530.14x = 64,660,952.19 - Step 5: Solve for x
x = 64,660,952.19/11,530.14 - Step 6: Final answer
x = 5,607.99
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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.