Finding the Fourth Proportional to 11,234.96, 15,511.48 and 10,054
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Solution
The fourth proportional to 11,234.96, 15,511.48 and 10,054 is: 13,880.99
Step by Step Solution
- Step 1: Write the proportion equation
11,234.96 : 15,511.48 = 10,054 : x - Step 2: Convert to fraction form
11,234.96/15,511.48 = 10,054/x - Step 3: Cross multiply
11,234.96x = 15,511.48 × 10,054 - Step 4: Simplify right side
11,234.96x = 155,952,419.92 - Step 5: Solve for x
x = 155,952,419.92/11,234.96 - Step 6: Final answer
x = 13,880.99
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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.