Finding the Fourth Proportional to 10,942, 15,100 and 5,974
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Solution
The fourth proportional to 10,942, 15,100 and 5,974 is: 8,244.14
Step by Step Solution
- Step 1: Write the proportion equation
10,942 : 15,100 = 5,974 : x - Step 2: Convert to fraction form
10,942/15,100 = 5,974/x - Step 3: Cross multiply
10,942x = 15,100 × 5,974 - Step 4: Simplify right side
10,942x = 90,207,400 - Step 5: Solve for x
x = 90,207,400/10,942 - Step 6: Final answer
x = 8,244.14
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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.