Finding the Fourth Proportional to 10,555.56, 15,836.04 and 3,159.99
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Solution
The fourth proportional to 10,555.56, 15,836.04 and 3,159.99 is: 4,740.79
Step by Step Solution
- Step 1: Write the proportion equation
10,555.56 : 15,836.04 = 3,159.99 : x - Step 2: Convert to fraction form
10,555.56/15,836.04 = 3,159.99/x - Step 3: Cross multiply
10,555.56x = 15,836.04 × 3,159.99 - Step 4: Simplify right side
10,555.56x = 50,041,728.04 - Step 5: Solve for x
x = 50,041,728.04/10,555.56 - Step 6: Final answer
x = 4,740.79
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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.