Finding the Fourth Proportional to 10,690.24, 14,751.42 and 5,974.96
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Solution
The fourth proportional to 10,690.24, 14,751.42 and 5,974.96 is: 8,244.82
Step by Step Solution
- Step 1: Write the proportion equation
10,690.24 : 14,751.42 = 5,974.96 : x - Step 2: Convert to fraction form
10,690.24/14,751.42 = 5,974.96/x - Step 3: Cross multiply
10,690.24x = 14,751.42 × 5,974.96 - Step 4: Simplify right side
10,690.24x = 88,139,144.44 - Step 5: Solve for x
x = 88,139,144.44/10,690.24 - Step 6: Final answer
x = 8,244.82
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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.