Finding the Fourth Proportional to 18,598.08, 27,891.16 and 6,115.20
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Solution
The fourth proportional to 18,598.08, 27,891.16 and 6,115.20 is: 9,170.84
Step by Step Solution
- Step 1: Write the proportion equation
18,598.08 : 27,891.16 = 6,115.20 : x - Step 2: Convert to fraction form
18,598.08/27,891.16 = 6,115.20/x - Step 3: Cross multiply
18,598.08x = 27,891.16 × 6,115.20 - Step 4: Simplify right side
18,598.08x = 170,560,021.63 - Step 5: Solve for x
x = 170,560,021.63/18,598.08 - Step 6: Final answer
x = 9,170.84
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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.