Finding the Fourth Proportional to 18,030.04, 27,045.12 and 5,549.98
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Solution
The fourth proportional to 18,030.04, 27,045.12 and 5,549.98 is: 8,324.99
Step by Step Solution
- Step 1: Write the proportion equation
18,030.04 : 27,045.12 = 5,549.98 : x - Step 2: Convert to fraction form
18,030.04/27,045.12 = 5,549.98/x - Step 3: Cross multiply
18,030.04x = 27,045.12 × 5,549.98 - Step 4: Simplify right side
18,030.04x = 150,099,875.10 - Step 5: Solve for x
x = 150,099,875.10/18,030.04 - Step 6: Final answer
x = 8,324.99
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Double scale
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Similar ratio
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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.