Finding the Fourth Proportional to 13,735.24, 20,602.70 and 3,346.99
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Solution
The fourth proportional to 13,735.24, 20,602.70 and 3,346.99 is: 5,020.45
Step by Step Solution
- Step 1: Write the proportion equation
13,735.24 : 20,602.70 = 3,346.99 : x - Step 2: Convert to fraction form
13,735.24/20,602.70 = 3,346.99/x - Step 3: Cross multiply
13,735.24x = 20,602.70 × 3,346.99 - Step 4: Simplify right side
13,735.24x = 68,957,039.24 - Step 5: Solve for x
x = 68,957,039.24/13,735.24 - Step 6: Final answer
x = 5,020.45
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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.