Finding the Fourth Proportional to 12,074.02, 16,662 and 6,768.73
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Solution
The fourth proportional to 12,074.02, 16,662 and 6,768.73 is: 9,340.76
Step by Step Solution
- Step 1: Write the proportion equation
12,074.02 : 16,662 = 6,768.73 : x - Step 2: Convert to fraction form
12,074.02/16,662 = 6,768.73/x - Step 3: Cross multiply
12,074.02x = 16,662 × 6,768.73 - Step 4: Simplify right side
12,074.02x = 112,780,579.26 - Step 5: Solve for x
x = 112,780,579.26/12,074.02 - Step 6: Final answer
x = 9,340.76
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1.5x scale
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.