Finding the Fourth Proportional to 10,418.26, 14,377.05 and 5,942.09
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Solution
The fourth proportional to 10,418.26, 14,377.05 and 5,942.09 is: 8,199.99
Step by Step Solution
- Step 1: Write the proportion equation
10,418.26 : 14,377.05 = 5,942.09 : x - Step 2: Convert to fraction form
10,418.26/14,377.05 = 5,942.09/x - Step 3: Cross multiply
10,418.26x = 14,377.05 × 5,942.09 - Step 4: Simplify right side
10,418.26x = 85,429,653.15 - Step 5: Solve for x
x = 85,429,653.15/10,418.26 - Step 6: Final answer
x = 8,199.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.