Finding the Fourth Proportional to 15,243.99, 22,850.26 and 8,656.26
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Solution
The fourth proportional to 15,243.99, 22,850.26 and 8,656.26 is: 12,975.46
Step by Step Solution
- Step 1: Write the proportion equation
15,243.99 : 22,850.26 = 8,656.26 : x - Step 2: Convert to fraction form
15,243.99/22,850.26 = 8,656.26/x - Step 3: Cross multiply
15,243.99x = 22,850.26 × 8,656.26 - Step 4: Simplify right side
15,243.99x = 197,797,791.63 - Step 5: Solve for x
x = 197,797,791.63/15,243.99 - Step 6: Final answer
x = 12,975.46
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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.