Finding the Fourth Proportional to 13,584.96, 20,376.96 and 3,724.08
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Solution
The fourth proportional to 13,584.96, 20,376.96 and 3,724.08 is: 5,585.99
Step by Step Solution
- Step 1: Write the proportion equation
13,584.96 : 20,376.96 = 3,724.08 : x - Step 2: Convert to fraction form
13,584.96/20,376.96 = 3,724.08/x - Step 3: Cross multiply
13,584.96x = 20,376.96 × 3,724.08 - Step 4: Simplify right side
13,584.96x = 75,885,429.20 - Step 5: Solve for x
x = 75,885,429.20/13,584.96 - Step 6: Final answer
x = 5,585.99
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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.