Finding the Fourth Proportional to 11,475.12, 17,213.76 and 4,548
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Solution
The fourth proportional to 11,475.12, 17,213.76 and 4,548 is: 6,822.43
Step by Step Solution
- Step 1: Write the proportion equation
11,475.12 : 17,213.76 = 4,548 : x - Step 2: Convert to fraction form
11,475.12/17,213.76 = 4,548/x - Step 3: Cross multiply
11,475.12x = 17,213.76 × 4,548 - Step 4: Simplify right side
11,475.12x = 78,288,180.48 - Step 5: Solve for x
x = 78,288,180.48/11,475.12 - Step 6: Final answer
x = 6,822.43
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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.