Finding the Fourth Proportional to 11,974.99, 17,966.04 and 6,135.70
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Solution
The fourth proportional to 11,974.99, 17,966.04 and 6,135.70 is: 9,205.37
Step by Step Solution
- Step 1: Write the proportion equation
11,974.99 : 17,966.04 = 6,135.70 : x - Step 2: Convert to fraction form
11,974.99/17,966.04 = 6,135.70/x - Step 3: Cross multiply
11,974.99x = 17,966.04 × 6,135.70 - Step 4: Simplify right side
11,974.99x = 110,234,231.63 - Step 5: Solve for x
x = 110,234,231.63/11,974.99 - Step 6: Final answer
x = 9,205.37
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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.