Finding the Fourth Proportional to 19,705.23, 27,193.21 and 11,208.99
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Solution
The fourth proportional to 19,705.23, 27,193.21 and 11,208.99 is: 15,468.40
Step by Step Solution
- Step 1: Write the proportion equation
19,705.23 : 27,193.21 = 11,208.99 : x - Step 2: Convert to fraction form
19,705.23/27,193.21 = 11,208.99/x - Step 3: Cross multiply
19,705.23x = 27,193.21 × 11,208.99 - Step 4: Simplify right side
19,705.23x = 304,808,394.57 - Step 5: Solve for x
x = 304,808,394.57/19,705.23 - Step 6: Final answer
x = 15,468.40
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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.