Finding the Fourth Proportional to 11.99, 16.52 and 10.02
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Solution
The fourth proportional to 11.99, 16.52 and 10.02 is: 13.81
Step by Step Solution
- Step 1: Write the proportion equation
11.99 : 16.52 = 10.02 : x - Step 2: Convert to fraction form
11.99/16.52 = 10.02/x - Step 3: Cross multiply
11.99x = 16.52 × 10.02 - Step 4: Simplify right side
11.99x = 165.48 - Step 5: Solve for x
x = 165.48/11.99 - Step 6: Final answer
x = 13.81
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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.