Finding the Fourth Proportional to 16,447.87, 24,675.45 and 7,678
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Solution
The fourth proportional to 16,447.87, 24,675.45 and 7,678 is: 11,518.70
Step by Step Solution
- Step 1: Write the proportion equation
16,447.87 : 24,675.45 = 7,678 : x - Step 2: Convert to fraction form
16,447.87/24,675.45 = 7,678/x - Step 3: Cross multiply
16,447.87x = 24,675.45 × 7,678 - Step 4: Simplify right side
16,447.87x = 189,458,105.10 - Step 5: Solve for x
x = 189,458,105.10/16,447.87 - Step 6: Final answer
x = 11,518.70
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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.