Finding the Fourth Proportional to 12,175.70, 16,802.49 and 6,586.70
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Solution
The fourth proportional to 12,175.70, 16,802.49 and 6,586.70 is: 9,089.66
Step by Step Solution
- Step 1: Write the proportion equation
12,175.70 : 16,802.49 = 6,586.70 : x - Step 2: Convert to fraction form
12,175.70/16,802.49 = 6,586.70/x - Step 3: Cross multiply
12,175.70x = 16,802.49 × 6,586.70 - Step 4: Simplify right side
12,175.70x = 110,672,876.87 - Step 5: Solve for x
x = 110,672,876.87/12,175.70 - Step 6: Final answer
x = 9,089.66
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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.