Finding the Fourth Proportional to 10,873.14, 16,310.52 and 3,081.84
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Solution
The fourth proportional to 10,873.14, 16,310.52 and 3,081.84 is: 4,622.99
Step by Step Solution
- Step 1: Write the proportion equation
10,873.14 : 16,310.52 = 3,081.84 : x - Step 2: Convert to fraction form
10,873.14/16,310.52 = 3,081.84/x - Step 3: Cross multiply
10,873.14x = 16,310.52 × 3,081.84 - Step 4: Simplify right side
10,873.14x = 50,266,412.96 - Step 5: Solve for x
x = 50,266,412.96/10,873.14 - Step 6: Final answer
x = 4,622.99
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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.