Finding the Fourth Proportional to 12,583.99, 18,890.57 and 6,751.99
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Solution
The fourth proportional to 12,583.99, 18,890.57 and 6,751.99 is: 10,135.81
Step by Step Solution
- Step 1: Write the proportion equation
12,583.99 : 18,890.57 = 6,751.99 : x - Step 2: Convert to fraction form
12,583.99/18,890.57 = 6,751.99/x - Step 3: Cross multiply
12,583.99x = 18,890.57 × 6,751.99 - Step 4: Simplify right side
12,583.99x = 127,548,954.91 - Step 5: Solve for x
x = 127,548,954.91/12,583.99 - Step 6: Final answer
x = 10,135.81
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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.