Finding the Fourth Proportional to 10,227.03, 15,340.98 and 2,831.31
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Solution
The fourth proportional to 10,227.03, 15,340.98 and 2,831.31 is: 4,247.09
Step by Step Solution
- Step 1: Write the proportion equation
10,227.03 : 15,340.98 = 2,831.31 : x - Step 2: Convert to fraction form
10,227.03/15,340.98 = 2,831.31/x - Step 3: Cross multiply
10,227.03x = 15,340.98 × 2,831.31 - Step 4: Simplify right side
10,227.03x = 43,435,070.08 - Step 5: Solve for x
x = 43,435,070.08/10,227.03 - Step 6: Final answer
x = 4,247.09
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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.