Finding the Fourth Proportional to 18,600.05, 27,896.99 and 6,120.23
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Solution
The fourth proportional to 18,600.05, 27,896.99 and 6,120.23 is: 9,179.32
Step by Step Solution
- Step 1: Write the proportion equation
18,600.05 : 27,896.99 = 6,120.23 : x - Step 2: Convert to fraction form
18,600.05/27,896.99 = 6,120.23/x - Step 3: Cross multiply
18,600.05x = 27,896.99 × 6,120.23 - Step 4: Simplify right side
18,600.05x = 170,735,825.02 - Step 5: Solve for x
x = 170,735,825.02/18,600.05 - Step 6: Final answer
x = 9,179.32
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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.