Finding the Fourth Proportional to 18,163.68, 27,208.80 and 16,651.68
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Solution
The fourth proportional to 18,163.68, 27,208.80 and 16,651.68 is: 24,943.86
Step by Step Solution
- Step 1: Write the proportion equation
18,163.68 : 27,208.80 = 16,651.68 : x - Step 2: Convert to fraction form
18,163.68/27,208.80 = 16,651.68/x - Step 3: Cross multiply
18,163.68x = 27,208.80 × 16,651.68 - Step 4: Simplify right side
18,163.68x = 453,072,230.78 - Step 5: Solve for x
x = 453,072,230.78/18,163.68 - Step 6: Final answer
x = 24,943.86
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1.5x scale
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.