Finding the Fourth Proportional to 19,318.23, 28,963.17 and 6,163.02
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Solution
The fourth proportional to 19,318.23, 28,963.17 and 6,163.02 is: 9,240.01
Step by Step Solution
- Step 1: Write the proportion equation
19,318.23 : 28,963.17 = 6,163.02 : x - Step 2: Convert to fraction form
19,318.23/28,963.17 = 6,163.02/x - Step 3: Cross multiply
19,318.23x = 28,963.17 × 6,163.02 - Step 4: Simplify right side
19,318.23x = 178,500,595.97 - Step 5: Solve for x
x = 178,500,595.97/19,318.23 - Step 6: Final answer
x = 9,240.01
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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.