Finding the Fourth Proportional to 11,995.07, 17,992.58 and 3,230.00
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Solution
The fourth proportional to 11,995.07, 17,992.58 and 3,230.00 is: 4,844.99
Step by Step Solution
- Step 1: Write the proportion equation
11,995.07 : 17,992.58 = 3,230.00 : x - Step 2: Convert to fraction form
11,995.07/17,992.58 = 3,230.00/x - Step 3: Cross multiply
11,995.07x = 17,992.58 × 3,230.00 - Step 4: Simplify right side
11,995.07x = 58,115,951.51 - Step 5: Solve for x
x = 58,115,951.51/11,995.07 - Step 6: Final answer
x = 4,844.99
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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.