Finding the Fourth Proportional to 16,634.40, 22,940.16 and 12,395.94
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Solution
The fourth proportional to 16,634.40, 22,940.16 and 12,395.94 is: 17,094.99
Step by Step Solution
- Step 1: Write the proportion equation
16,634.40 : 22,940.16 = 12,395.94 : x - Step 2: Convert to fraction form
16,634.40/22,940.16 = 12,395.94/x - Step 3: Cross multiply
16,634.40x = 22,940.16 × 12,395.94 - Step 4: Simplify right side
16,634.40x = 284,364,846.95 - Step 5: Solve for x
x = 284,364,846.95/16,634.40 - Step 6: Final answer
x = 17,094.99
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1.5x scale
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.