Finding the Fourth Proportional to 10,850.27, 16,275.40 and 3,456.99
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Solution
The fourth proportional to 10,850.27, 16,275.40 and 3,456.99 is: 5,185.49
Step by Step Solution
- Step 1: Write the proportion equation
10,850.27 : 16,275.40 = 3,456.99 : x - Step 2: Convert to fraction form
10,850.27/16,275.40 = 3,456.99/x - Step 3: Cross multiply
10,850.27x = 16,275.40 × 3,456.99 - Step 4: Simplify right side
10,850.27x = 56,263,886.40 - Step 5: Solve for x
x = 56,263,886.40/10,850.27 - Step 6: Final answer
x = 5,185.49
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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.