Finding the Fourth Proportional to 11,206.11, 16,806.99 and 4,278.99
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Solution
The fourth proportional to 11,206.11, 16,806.99 and 4,278.99 is: 6,417.65
Step by Step Solution
- Step 1: Write the proportion equation
11,206.11 : 16,806.99 = 4,278.99 : x - Step 2: Convert to fraction form
11,206.11/16,806.99 = 4,278.99/x - Step 3: Cross multiply
11,206.11x = 16,806.99 × 4,278.99 - Step 4: Simplify right side
11,206.11x = 71,916,942.14 - Step 5: Solve for x
x = 71,916,942.14/11,206.11 - Step 6: Final answer
x = 6,417.65
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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.