Finding the Fourth Proportional to 19,794.24, 27,316.44 and 11,836.80
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Solution
The fourth proportional to 19,794.24, 27,316.44 and 11,836.80 is: 16,335.02
Step by Step Solution
- Step 1: Write the proportion equation
19,794.24 : 27,316.44 = 11,836.80 : x - Step 2: Convert to fraction form
19,794.24/27,316.44 = 11,836.80/x - Step 3: Cross multiply
19,794.24x = 27,316.44 × 11,836.80 - Step 4: Simplify right side
19,794.24x = 323,339,236.99 - Step 5: Solve for x
x = 323,339,236.99/19,794.24 - Step 6: Final answer
x = 16,335.02
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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.