Finding the Fourth Proportional to 10,198.06, 15,297.46 and 2,803.09
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Solution
The fourth proportional to 10,198.06, 15,297.46 and 2,803.09 is: 4,204.74
Step by Step Solution
- Step 1: Write the proportion equation
10,198.06 : 15,297.46 = 2,803.09 : x - Step 2: Convert to fraction form
10,198.06/15,297.46 = 2,803.09/x - Step 3: Cross multiply
10,198.06x = 15,297.46 × 2,803.09 - Step 4: Simplify right side
10,198.06x = 42,880,157.15 - Step 5: Solve for x
x = 42,880,157.15/10,198.06 - Step 6: Final answer
x = 4,204.74
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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.