Finding the Fourth Proportional to 16,433.84, 24,654 and 4,747.16
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Solution
The fourth proportional to 16,433.84, 24,654 and 4,747.16 is: 7,121.68
Step by Step Solution
- Step 1: Write the proportion equation
16,433.84 : 24,654 = 4,747.16 : x - Step 2: Convert to fraction form
16,433.84/24,654 = 4,747.16/x - Step 3: Cross multiply
16,433.84x = 24,654 × 4,747.16 - Step 4: Simplify right side
16,433.84x = 117,036,482.64 - Step 5: Solve for x
x = 117,036,482.64/16,433.84 - Step 6: Final answer
x = 7,121.68
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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.