Finding the Fourth Proportional to 11,847.23, 16,349.18 and 6,542.09
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Solution
The fourth proportional to 11,847.23, 16,349.18 and 6,542.09 is: 9,028.09
Step by Step Solution
- Step 1: Write the proportion equation
11,847.23 : 16,349.18 = 6,542.09 : x - Step 2: Convert to fraction form
11,847.23/16,349.18 = 6,542.09/x - Step 3: Cross multiply
11,847.23x = 16,349.18 × 6,542.09 - Step 4: Simplify right side
11,847.23x = 106,957,806.99 - Step 5: Solve for x
x = 106,957,806.99/11,847.23 - Step 6: Final answer
x = 9,028.09
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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.