Finding the Fourth Proportional to 11.99, 16.54 and 10.83
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Solution
The fourth proportional to 11.99, 16.54 and 10.83 is: 14.94
Step by Step Solution
- Step 1: Write the proportion equation
11.99 : 16.54 = 10.83 : x - Step 2: Convert to fraction form
11.99/16.54 = 10.83/x - Step 3: Cross multiply
11.99x = 16.54 × 10.83 - Step 4: Simplify right side
11.99x = 179.13 - Step 5: Solve for x
x = 179.13/11.99 - Step 6: Final answer
x = 14.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.