Finding the Fourth Proportional to 17.94, 24.72 and 13.08
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Solution
The fourth proportional to 17.94, 24.72 and 13.08 is: 18.02
Step by Step Solution
- Step 1: Write the proportion equation
17.94 : 24.72 = 13.08 : x - Step 2: Convert to fraction form
17.94/24.72 = 13.08/x - Step 3: Cross multiply
17.94x = 24.72 × 13.08 - Step 4: Simplify right side
17.94x = 323.34 - Step 5: Solve for x
x = 323.34/17.94 - Step 6: Final answer
x = 18.02
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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.