Finding the Fourth Proportional to 14,083.17, 21,115.84 and 11,994.99
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Solution
The fourth proportional to 14,083.17, 21,115.84 and 11,994.99 is: 17,984.89
Step by Step Solution
- Step 1: Write the proportion equation
14,083.17 : 21,115.84 = 11,994.99 : x - Step 2: Convert to fraction form
14,083.17/21,115.84 = 11,994.99/x - Step 3: Cross multiply
14,083.17x = 21,115.84 × 11,994.99 - Step 4: Simplify right side
14,083.17x = 253,284,289.64 - Step 5: Solve for x
x = 253,284,289.64/14,083.17 - Step 6: Final answer
x = 17,984.89
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1.5x scale
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.