Finding the Fourth Proportional to 19,487.70, 29,234.60 and 6,336.99
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Solution
The fourth proportional to 19,487.70, 29,234.60 and 6,336.99 is: 9,506.48
Step by Step Solution
- Step 1: Write the proportion equation
19,487.70 : 29,234.60 = 6,336.99 : x - Step 2: Convert to fraction form
19,487.70/29,234.60 = 6,336.99/x - Step 3: Cross multiply
19,487.70x = 29,234.60 × 6,336.99 - Step 4: Simplify right side
19,487.70x = 185,259,383.70 - Step 5: Solve for x
x = 185,259,383.70/19,487.70 - Step 6: Final answer
x = 9,506.48
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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.