Finding the Fourth Proportional to 10,698.36, 16,049.88 and 3,678.09
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Solution
The fourth proportional to 10,698.36, 16,049.88 and 3,678.09 is: 5,517.94
Step by Step Solution
- Step 1: Write the proportion equation
10,698.36 : 16,049.88 = 3,678.09 : x - Step 2: Convert to fraction form
10,698.36/16,049.88 = 3,678.09/x - Step 3: Cross multiply
10,698.36x = 16,049.88 × 3,678.09 - Step 4: Simplify right side
10,698.36x = 59,032,903.13 - Step 5: Solve for x
x = 59,032,903.13/10,698.36 - Step 6: Final answer
x = 5,517.94
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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.