Finding the Fourth Proportional to 11,718.08, 17,585.12 and 5,146.08
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Solution
The fourth proportional to 11,718.08, 17,585.12 and 5,146.08 is: 7,722.63
Step by Step Solution
- Step 1: Write the proportion equation
11,718.08 : 17,585.12 = 5,146.08 : x - Step 2: Convert to fraction form
11,718.08/17,585.12 = 5,146.08/x - Step 3: Cross multiply
11,718.08x = 17,585.12 × 5,146.08 - Step 4: Simplify right side
11,718.08x = 90,494,434.33 - Step 5: Solve for x
x = 90,494,434.33/11,718.08 - Step 6: Final answer
x = 7,722.63
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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.