Finding the Fourth Proportional to 15,255.20, 22,881.42 and 5,393.99
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Solution
The fourth proportional to 15,255.20, 22,881.42 and 5,393.99 is: 8,090.49
Step by Step Solution
- Step 1: Write the proportion equation
15,255.20 : 22,881.42 = 5,393.99 : x - Step 2: Convert to fraction form
15,255.20/22,881.42 = 5,393.99/x - Step 3: Cross multiply
15,255.20x = 22,881.42 × 5,393.99 - Step 4: Simplify right side
15,255.20x = 123,422,036.26 - Step 5: Solve for x
x = 123,422,036.26/15,255.20 - Step 6: Final answer
x = 8,090.49
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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.