Finding the Fourth Proportional to 11.07, 16.59 and 6
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Solution
The fourth proportional to 11.07, 16.59 and 6 is: 8.99
Step by Step Solution
- Step 1: Write the proportion equation
11.07 : 16.59 = 6 : x - Step 2: Convert to fraction form
11.07/16.59 = 6/x - Step 3: Cross multiply
11.07x = 16.59 × 6 - Step 4: Simplify right side
11.07x = 99.54 - Step 5: Solve for x
x = 99.54/11.07 - Step 6: Final answer
x = 8.99
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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.