Finding the Fourth Proportional to 11,424.18, 17,133.81 and 3,104.28
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Solution
The fourth proportional to 11,424.18, 17,133.81 and 3,104.28 is: 4,655.75
Step by Step Solution
- Step 1: Write the proportion equation
11,424.18 : 17,133.81 = 3,104.28 : x - Step 2: Convert to fraction form
11,424.18/17,133.81 = 3,104.28/x - Step 3: Cross multiply
11,424.18x = 17,133.81 × 3,104.28 - Step 4: Simplify right side
11,424.18x = 53,188,143.71 - Step 5: Solve for x
x = 53,188,143.71/11,424.18 - Step 6: Final answer
x = 4,655.75
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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.