Finding the Fourth Proportional to 12,114.23, 18,169.99 and 3,348
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Solution
The fourth proportional to 12,114.23, 18,169.99 and 3,348 is: 5,021.63
Step by Step Solution
- Step 1: Write the proportion equation
12,114.23 : 18,169.99 = 3,348 : x - Step 2: Convert to fraction form
12,114.23/18,169.99 = 3,348/x - Step 3: Cross multiply
12,114.23x = 18,169.99 × 3,348 - Step 4: Simplify right side
12,114.23x = 60,833,118.15 - Step 5: Solve for x
x = 60,833,118.15/12,114.23 - Step 6: Final answer
x = 5,021.63
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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.