Finding the Fourth Proportional to 12,056, 18,084 and 4,760
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Solution
The fourth proportional to 12,056, 18,084 and 4,760 is: 7,140
Step by Step Solution
- Step 1: Write the proportion equation
12,056 : 18,084 = 4,760 : x - Step 2: Convert to fraction form
12,056/18,084 = 4,760/x - Step 3: Cross multiply
12,056x = 18,084 × 4,760 - Step 4: Simplify right side
12,056x = 86,079,840 - Step 5: Solve for x
x = 86,079,840/12,056 - Step 6: Final answer
x = 7,140
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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.