Finding the Fourth Proportional to 18,246.48, 27,400.99 and 11,267.78
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Solution
The fourth proportional to 18,246.48, 27,400.99 and 11,267.78 is: 16,920.98
Step by Step Solution
- Step 1: Write the proportion equation
18,246.48 : 27,400.99 = 11,267.78 : x - Step 2: Convert to fraction form
18,246.48/27,400.99 = 11,267.78/x - Step 3: Cross multiply
18,246.48x = 27,400.99 × 11,267.78 - Step 4: Simplify right side
18,246.48x = 308,748,327.10 - Step 5: Solve for x
x = 308,748,327.10/18,246.48 - Step 6: Final answer
x = 16,920.98
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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.