Finding the Fourth Proportional to 18,170.49, 27,239.31 and 6,480.99
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Solution
The fourth proportional to 18,170.49, 27,239.31 and 6,480.99 is: 9,715.63
Step by Step Solution
- Step 1: Write the proportion equation
18,170.49 : 27,239.31 = 6,480.99 : x - Step 2: Convert to fraction form
18,170.49/27,239.31 = 6,480.99/x - Step 3: Cross multiply
18,170.49x = 27,239.31 × 6,480.99 - Step 4: Simplify right side
18,170.49x = 176,537,695.72 - Step 5: Solve for x
x = 176,537,695.72/18,170.49 - Step 6: Final answer
x = 9,715.63
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1.5x scale
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.