Finding the Fourth Proportional to 10,514.24, 15,771.12 and 2,616.72
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Solution
The fourth proportional to 10,514.24, 15,771.12 and 2,616.72 is: 3,925.02
Step by Step Solution
- Step 1: Write the proportion equation
10,514.24 : 15,771.12 = 2,616.72 : x - Step 2: Convert to fraction form
10,514.24/15,771.12 = 2,616.72/x - Step 3: Cross multiply
10,514.24x = 15,771.12 × 2,616.72 - Step 4: Simplify right side
10,514.24x = 41,268,605.13 - Step 5: Solve for x
x = 41,268,605.13/10,514.24 - Step 6: Final answer
x = 3,925.02
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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.