Finding the Fourth Proportional to 10,108.90, 15,163.37 and 3,535.08
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Solution
The fourth proportional to 10,108.90, 15,163.37 and 3,535.08 is: 5,302.62
Step by Step Solution
- Step 1: Write the proportion equation
10,108.90 : 15,163.37 = 3,535.08 : x - Step 2: Convert to fraction form
10,108.90/15,163.37 = 3,535.08/x - Step 3: Cross multiply
10,108.90x = 15,163.37 × 3,535.08 - Step 4: Simplify right side
10,108.90x = 53,603,632.53 - Step 5: Solve for x
x = 53,603,632.53/10,108.90 - Step 6: Final answer
x = 5,302.62
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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.