Finding the Fourth Proportional to 18,862.14, 26,047.26 and 12,163.44
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Solution
The fourth proportional to 18,862.14, 26,047.26 and 12,163.44 is: 16,796.84
Step by Step Solution
- Step 1: Write the proportion equation
18,862.14 : 26,047.26 = 12,163.44 : x - Step 2: Convert to fraction form
18,862.14/26,047.26 = 12,163.44/x - Step 3: Cross multiply
18,862.14x = 26,047.26 × 12,163.44 - Step 4: Simplify right side
18,862.14x = 316,824,284.17 - Step 5: Solve for x
x = 316,824,284.17/18,862.14 - Step 6: Final answer
x = 16,796.84
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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.