Finding the Fourth Proportional to 12,170.08, 18,249.36 and 6,006.88
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Solution
The fourth proportional to 12,170.08, 18,249.36 and 6,006.88 is: 9,007.48
Step by Step Solution
- Step 1: Write the proportion equation
12,170.08 : 18,249.36 = 6,006.88 : x - Step 2: Convert to fraction form
12,170.08/18,249.36 = 6,006.88/x - Step 3: Cross multiply
12,170.08x = 18,249.36 × 6,006.88 - Step 4: Simplify right side
12,170.08x = 109,621,715.60 - Step 5: Solve for x
x = 109,621,715.60/12,170.08 - Step 6: Final answer
x = 9,007.48
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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.