Finding the Fourth Proportional to 10,707.90, 16,063.38 and 3,312.99
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Solution
The fourth proportional to 10,707.90, 16,063.38 and 3,312.99 is: 4,969.96
Step by Step Solution
- Step 1: Write the proportion equation
10,707.90 : 16,063.38 = 3,312.99 : x - Step 2: Convert to fraction form
10,707.90/16,063.38 = 3,312.99/x - Step 3: Cross multiply
10,707.90x = 16,063.38 × 3,312.99 - Step 4: Simplify right side
10,707.90x = 53,217,817.31 - Step 5: Solve for x
x = 53,217,817.31/10,707.90 - Step 6: Final answer
x = 4,969.96
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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.