Finding the Fourth Proportional to 12,135.93, 18,206.49 and 6,873.42
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Solution
The fourth proportional to 12,135.93, 18,206.49 and 6,873.42 is: 10,311.61
Step by Step Solution
- Step 1: Write the proportion equation
12,135.93 : 18,206.49 = 6,873.42 : x - Step 2: Convert to fraction form
12,135.93/18,206.49 = 6,873.42/x - Step 3: Cross multiply
12,135.93x = 18,206.49 × 6,873.42 - Step 4: Simplify right side
12,135.93x = 125,140,872.24 - Step 5: Solve for x
x = 125,140,872.24/12,135.93 - Step 6: Final answer
x = 10,311.61
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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.