Finding the Fourth Proportional to 14,692.97, 20,279.82 and 8,408.99
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Solution
The fourth proportional to 14,692.97, 20,279.82 and 8,408.99 is: 11,606.42
Step by Step Solution
- Step 1: Write the proportion equation
14,692.97 : 20,279.82 = 8,408.99 : x - Step 2: Convert to fraction form
14,692.97/20,279.82 = 8,408.99/x - Step 3: Cross multiply
14,692.97x = 20,279.82 × 8,408.99 - Step 4: Simplify right side
14,692.97x = 170,532,702.18 - Step 5: Solve for x
x = 170,532,702.18/14,692.97 - Step 6: Final answer
x = 11,606.42
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.