Finding the Fourth Proportional to 11,782, 17,673 and 3,574
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Solution
The fourth proportional to 11,782, 17,673 and 3,574 is: 5,361
Step by Step Solution
- Step 1: Write the proportion equation
11,782 : 17,673 = 3,574 : x - Step 2: Convert to fraction form
11,782/17,673 = 3,574/x - Step 3: Cross multiply
11,782x = 17,673 × 3,574 - Step 4: Simplify right side
11,782x = 63,163,302 - Step 5: Solve for x
x = 63,163,302/11,782 - Step 6: Final answer
x = 5,361
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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.