Finding the Fourth Proportional to 10,696.36, 14,761.49 and 5,916.28
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Solution
The fourth proportional to 10,696.36, 14,761.49 and 5,916.28 is: 8,164.75
Step by Step Solution
- Step 1: Write the proportion equation
10,696.36 : 14,761.49 = 5,916.28 : x - Step 2: Convert to fraction form
10,696.36/14,761.49 = 5,916.28/x - Step 3: Cross multiply
10,696.36x = 14,761.49 × 5,916.28 - Step 4: Simplify right side
10,696.36x = 87,333,108.06 - Step 5: Solve for x
x = 87,333,108.06/10,696.36 - Step 6: Final answer
x = 8,164.75
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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.