Finding the Fourth Proportional to 10,840.09, 14,959.33 and 5,872.09
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Solution
The fourth proportional to 10,840.09, 14,959.33 and 5,872.09 is: 8,103.49
Step by Step Solution
- Step 1: Write the proportion equation
10,840.09 : 14,959.33 = 5,872.09 : x - Step 2: Convert to fraction form
10,840.09/14,959.33 = 5,872.09/x - Step 3: Cross multiply
10,840.09x = 14,959.33 × 5,872.09 - Step 4: Simplify right side
10,840.09x = 87,842,532.10 - Step 5: Solve for x
x = 87,842,532.10/10,840.09 - Step 6: Final answer
x = 8,103.49
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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.