Finding the Fourth Proportional to 14,585.60, 21,882 and 4,198.16
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Solution
The fourth proportional to 14,585.60, 21,882 and 4,198.16 is: 6,298.28
Step by Step Solution
- Step 1: Write the proportion equation
14,585.60 : 21,882 = 4,198.16 : x - Step 2: Convert to fraction form
14,585.60/21,882 = 4,198.16/x - Step 3: Cross multiply
14,585.60x = 21,882 × 4,198.16 - Step 4: Simplify right side
14,585.60x = 91,864,137.12 - Step 5: Solve for x
x = 91,864,137.12/14,585.60 - Step 6: Final answer
x = 6,298.28
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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.