Finding the Fourth Proportional to 10,788.49, 16,183.40 and 3,393.19
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Solution
The fourth proportional to 10,788.49, 16,183.40 and 3,393.19 is: 5,089.99
Step by Step Solution
- Step 1: Write the proportion equation
10,788.49 : 16,183.40 = 3,393.19 : x - Step 2: Convert to fraction form
10,788.49/16,183.40 = 3,393.19/x - Step 3: Cross multiply
10,788.49x = 16,183.40 × 3,393.19 - Step 4: Simplify right side
10,788.49x = 54,913,354.31 - Step 5: Solve for x
x = 54,913,354.31/10,788.49 - Step 6: Final answer
x = 5,089.99
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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.