Finding the Fourth Proportional to 21,134.99, 31,703.06 and 6,343.91
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Solution
The fourth proportional to 21,134.99, 31,703.06 and 6,343.91 is: 9,516.03
Step by Step Solution
- Step 1: Write the proportion equation
21,134.99 : 31,703.06 = 6,343.91 : x - Step 2: Convert to fraction form
21,134.99/31,703.06 = 6,343.91/x - Step 3: Cross multiply
21,134.99x = 31,703.06 × 6,343.91 - Step 4: Simplify right side
21,134.99x = 201,121,169.13 - Step 5: Solve for x
x = 201,121,169.13/21,134.99 - Step 6: Final answer
x = 9,516.03
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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.