Finding the Fourth Proportional to 17.56, 26.30 and 8.99
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Solution
The fourth proportional to 17.56, 26.30 and 8.99 is: 13.46
Step by Step Solution
- Step 1: Write the proportion equation
17.56 : 26.30 = 8.99 : x - Step 2: Convert to fraction form
17.56/26.30 = 8.99/x - Step 3: Cross multiply
17.56x = 26.30 × 8.99 - Step 4: Simplify right side
17.56x = 236.44 - Step 5: Solve for x
x = 236.44/17.56 - Step 6: Final answer
x = 13.46
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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.