Finding the Fourth Proportional to 11,935.87, 17,904.35 and 3,617.08
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Solution
The fourth proportional to 11,935.87, 17,904.35 and 3,617.08 is: 5,425.79
Step by Step Solution
- Step 1: Write the proportion equation
11,935.87 : 17,904.35 = 3,617.08 : x - Step 2: Convert to fraction form
11,935.87/17,904.35 = 3,617.08/x - Step 3: Cross multiply
11,935.87x = 17,904.35 × 3,617.08 - Step 4: Simplify right side
11,935.87x = 64,761,466.30 - Step 5: Solve for x
x = 64,761,466.30/11,935.87 - Step 6: Final answer
x = 5,425.79
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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.