Finding the Fourth Proportional to 11.53, 15.98 and 10.84
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Solution
The fourth proportional to 11.53, 15.98 and 10.84 is: 15.03
Step by Step Solution
- Step 1: Write the proportion equation
11.53 : 15.98 = 10.84 : x - Step 2: Convert to fraction form
11.53/15.98 = 10.84/x - Step 3: Cross multiply
11.53x = 15.98 × 10.84 - Step 4: Simplify right side
11.53x = 173.21 - Step 5: Solve for x
x = 173.21/11.53 - Step 6: Final answer
x = 15.03
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.