Finding the Fourth Proportional to 16,430.37, 24,656.49 and 13,543.53
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Solution
The fourth proportional to 16,430.37, 24,656.49 and 13,543.53 is: 20,324.31
Step by Step Solution
- Step 1: Write the proportion equation
16,430.37 : 24,656.49 = 13,543.53 : x - Step 2: Convert to fraction form
16,430.37/24,656.49 = 13,543.53/x - Step 3: Cross multiply
16,430.37x = 24,656.49 × 13,543.53 - Step 4: Simplify right side
16,430.37x = 333,935,912.01 - Step 5: Solve for x
x = 333,935,912.01/16,430.37 - Step 6: Final answer
x = 20,324.31
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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.