Finding the Fourth Proportional to 18,344.44, 27,497.80 and 7,246.60
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Solution
The fourth proportional to 18,344.44, 27,497.80 and 7,246.60 is: 10,862.45
Step by Step Solution
- Step 1: Write the proportion equation
18,344.44 : 27,497.80 = 7,246.60 : x - Step 2: Convert to fraction form
18,344.44/27,497.80 = 7,246.60/x - Step 3: Cross multiply
18,344.44x = 27,497.80 × 7,246.60 - Step 4: Simplify right side
18,344.44x = 199,265,557.48 - Step 5: Solve for x
x = 199,265,557.48/18,344.44 - Step 6: Final answer
x = 10,862.45
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1.5x scale
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.