Finding the Fourth Proportional to 12,828.76, 19,243.26 and 4,063
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Solution
The fourth proportional to 12,828.76, 19,243.26 and 4,063 is: 6,094.54
Step by Step Solution
- Step 1: Write the proportion equation
12,828.76 : 19,243.26 = 4,063 : x - Step 2: Convert to fraction form
12,828.76/19,243.26 = 4,063/x - Step 3: Cross multiply
12,828.76x = 19,243.26 × 4,063 - Step 4: Simplify right side
12,828.76x = 78,185,365.38 - Step 5: Solve for x
x = 78,185,365.38/12,828.76 - Step 6: Final answer
x = 6,094.54
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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.