Finding the Fourth Proportional to 19,913.54, 27,481.95 and 11,844.99
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Solution
The fourth proportional to 19,913.54, 27,481.95 and 11,844.99 is: 16,346.84
Step by Step Solution
- Step 1: Write the proportion equation
19,913.54 : 27,481.95 = 11,844.99 : x - Step 2: Convert to fraction form
19,913.54/27,481.95 = 11,844.99/x - Step 3: Cross multiply
19,913.54x = 27,481.95 × 11,844.99 - Step 4: Simplify right side
19,913.54x = 325,523,422.93 - Step 5: Solve for x
x = 325,523,422.93/19,913.54 - Step 6: Final answer
x = 16,346.84
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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.