Finding the Fourth Proportional to 18,957.60, 26,163.36 and 14,169.24
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Solution
The fourth proportional to 18,957.60, 26,163.36 and 14,169.24 is: 19,554.95
Step by Step Solution
- Step 1: Write the proportion equation
18,957.60 : 26,163.36 = 14,169.24 : x - Step 2: Convert to fraction form
18,957.60/26,163.36 = 14,169.24/x - Step 3: Cross multiply
18,957.60x = 26,163.36 × 14,169.24 - Step 4: Simplify right side
18,957.60x = 370,714,927.05 - Step 5: Solve for x
x = 370,714,927.05/18,957.60 - Step 6: Final answer
x = 19,554.95
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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.