Finding the Fourth Proportional to 14.19, 19.58 and 8.44
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Solution
The fourth proportional to 14.19, 19.58 and 8.44 is: 11.65
Step by Step Solution
- Step 1: Write the proportion equation
14.19 : 19.58 = 8.44 : x - Step 2: Convert to fraction form
14.19/19.58 = 8.44/x - Step 3: Cross multiply
14.19x = 19.58 × 8.44 - Step 4: Simplify right side
14.19x = 165.26 - Step 5: Solve for x
x = 165.26/14.19 - Step 6: Final answer
x = 11.65
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1.5x scale
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.