Finding the Fourth Proportional to 11,360.96, 15,678 and 6,325.07
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Solution
The fourth proportional to 11,360.96, 15,678 and 6,325.07 is: 8,728.53
Step by Step Solution
- Step 1: Write the proportion equation
11,360.96 : 15,678 = 6,325.07 : x - Step 2: Convert to fraction form
11,360.96/15,678 = 6,325.07/x - Step 3: Cross multiply
11,360.96x = 15,678 × 6,325.07 - Step 4: Simplify right side
11,360.96x = 99,164,447.46 - Step 5: Solve for x
x = 99,164,447.46/11,360.96 - Step 6: Final answer
x = 8,728.53
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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.