Finding the Fourth Proportional to 17,879.76, 24,676.29 and 10,326.60
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Solution
The fourth proportional to 17,879.76, 24,676.29 and 10,326.60 is: 14,251.99
Step by Step Solution
- Step 1: Write the proportion equation
17,879.76 : 24,676.29 = 10,326.60 : x - Step 2: Convert to fraction form
17,879.76/24,676.29 = 10,326.60/x - Step 3: Cross multiply
17,879.76x = 24,676.29 × 10,326.60 - Step 4: Simplify right side
17,879.76x = 254,822,176.31 - Step 5: Solve for x
x = 254,822,176.31/17,879.76 - Step 6: Final answer
x = 14,251.99
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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.