Finding the Fourth Proportional to 11,131.59, 16,697.39 and 3,340.41
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Solution
The fourth proportional to 11,131.59, 16,697.39 and 3,340.41 is: 5,010.62
Step by Step Solution
- Step 1: Write the proportion equation
11,131.59 : 16,697.39 = 3,340.41 : x - Step 2: Convert to fraction form
11,131.59/16,697.39 = 3,340.41/x - Step 3: Cross multiply
11,131.59x = 16,697.39 × 3,340.41 - Step 4: Simplify right side
11,131.59x = 55,776,111.83 - Step 5: Solve for x
x = 55,776,111.83/11,131.59 - Step 6: Final answer
x = 5,010.62
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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.