Finding the Fourth Proportional to 13,873.24, 20,812.74 and 4,639
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Solution
The fourth proportional to 13,873.24, 20,812.74 and 4,639 is: 6,959.46
Step by Step Solution
- Step 1: Write the proportion equation
13,873.24 : 20,812.74 = 4,639 : x - Step 2: Convert to fraction form
13,873.24/20,812.74 = 4,639/x - Step 3: Cross multiply
13,873.24x = 20,812.74 × 4,639 - Step 4: Simplify right side
13,873.24x = 96,550,300.86 - Step 5: Solve for x
x = 96,550,300.86/13,873.24 - Step 6: Final answer
x = 6,959.46
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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.