Finding the Fourth Proportional to 18,440.58, 27,660.94 and 6,753.80
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Solution
The fourth proportional to 18,440.58, 27,660.94 and 6,753.80 is: 10,130.72
Step by Step Solution
- Step 1: Write the proportion equation
18,440.58 : 27,660.94 = 6,753.80 : x - Step 2: Convert to fraction form
18,440.58/27,660.94 = 6,753.80/x - Step 3: Cross multiply
18,440.58x = 27,660.94 × 6,753.80 - Step 4: Simplify right side
18,440.58x = 186,816,391.24 - Step 5: Solve for x
x = 186,816,391.24/18,440.58 - Step 6: Final answer
x = 10,130.72
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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.