Finding the Fourth Proportional to 11,826.64, 17,739.87 and 3,506.68
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Solution
The fourth proportional to 11,826.64, 17,739.87 and 3,506.68 is: 5,259.99
Step by Step Solution
- Step 1: Write the proportion equation
11,826.64 : 17,739.87 = 3,506.68 : x - Step 2: Convert to fraction form
11,826.64/17,739.87 = 3,506.68/x - Step 3: Cross multiply
11,826.64x = 17,739.87 × 3,506.68 - Step 4: Simplify right side
11,826.64x = 62,208,047.33 - Step 5: Solve for x
x = 62,208,047.33/11,826.64 - Step 6: Final answer
x = 5,259.99
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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.