Finding the Fourth Proportional to 11,253.80, 16,880.93 and 3,462.62
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Solution
The fourth proportional to 11,253.80, 16,880.93 and 3,462.62 is: 5,193.99
Step by Step Solution
- Step 1: Write the proportion equation
11,253.80 : 16,880.93 = 3,462.62 : x - Step 2: Convert to fraction form
11,253.80/16,880.93 = 3,462.62/x - Step 3: Cross multiply
11,253.80x = 16,880.93 × 3,462.62 - Step 4: Simplify right side
11,253.80x = 58,452,157.10 - Step 5: Solve for x
x = 58,452,157.10/11,253.80 - Step 6: Final answer
x = 5,193.99
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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.