Finding the Fourth Proportional to 19,394.70, 26,767.62 and 11,845.44
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Solution
The fourth proportional to 19,394.70, 26,767.62 and 11,845.44 is: 16,348.50
Step by Step Solution
- Step 1: Write the proportion equation
19,394.70 : 26,767.62 = 11,845.44 : x - Step 2: Convert to fraction form
19,394.70/26,767.62 = 11,845.44/x - Step 3: Cross multiply
19,394.70x = 26,767.62 × 11,845.44 - Step 4: Simplify right side
19,394.70x = 317,074,236.65 - Step 5: Solve for x
x = 317,074,236.65/19,394.70 - Step 6: Final answer
x = 16,348.50
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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.