Finding the Fourth Proportional to 10,837.14, 16,258.44 and 4,997.82
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Solution
The fourth proportional to 10,837.14, 16,258.44 and 4,997.82 is: 7,497.99
Step by Step Solution
- Step 1: Write the proportion equation
10,837.14 : 16,258.44 = 4,997.82 : x - Step 2: Convert to fraction form
10,837.14/16,258.44 = 4,997.82/x - Step 3: Cross multiply
10,837.14x = 16,258.44 × 4,997.82 - Step 4: Simplify right side
10,837.14x = 81,256,756.60 - Step 5: Solve for x
x = 81,256,756.60/10,837.14 - Step 6: Final answer
x = 7,497.99
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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.