Finding the Fourth Proportional to 11,082.09, 16,619.34 and 3,182.49
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Solution
The fourth proportional to 11,082.09, 16,619.34 and 3,182.49 is: 4,772.65
Step by Step Solution
- Step 1: Write the proportion equation
11,082.09 : 16,619.34 = 3,182.49 : x - Step 2: Convert to fraction form
11,082.09/16,619.34 = 3,182.49/x - Step 3: Cross multiply
11,082.09x = 16,619.34 × 3,182.49 - Step 4: Simplify right side
11,082.09x = 52,890,883.36 - Step 5: Solve for x
x = 52,890,883.36/11,082.09 - Step 6: Final answer
x = 4,772.65
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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.