Finding the Fourth Proportional to 11,762, 17,643 and 3,554
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Solution
The fourth proportional to 11,762, 17,643 and 3,554 is: 5,331
Step by Step Solution
- Step 1: Write the proportion equation
11,762 : 17,643 = 3,554 : x - Step 2: Convert to fraction form
11,762/17,643 = 3,554/x - Step 3: Cross multiply
11,762x = 17,643 × 3,554 - Step 4: Simplify right side
11,762x = 62,703,222 - Step 5: Solve for x
x = 62,703,222/11,762 - Step 6: Final answer
x = 5,331
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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.