Finding the Fourth Proportional to 18,637.43, 27,961.01 and 6,950.75
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Solution
The fourth proportional to 18,637.43, 27,961.01 and 6,950.75 is: 10,427.94
Step by Step Solution
- Step 1: Write the proportion equation
18,637.43 : 27,961.01 = 6,950.75 : x - Step 2: Convert to fraction form
18,637.43/27,961.01 = 6,950.75/x - Step 3: Cross multiply
18,637.43x = 27,961.01 × 6,950.75 - Step 4: Simplify right side
18,637.43x = 194,349,990.26 - Step 5: Solve for x
x = 194,349,990.26/18,637.43 - Step 6: Final answer
x = 10,427.94
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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.