Finding the Fourth Proportional to 10,738.98, 16,108.47 and 2,948.00
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Solution
The fourth proportional to 10,738.98, 16,108.47 and 2,948.00 is: 4,421.99
Step by Step Solution
- Step 1: Write the proportion equation
10,738.98 : 16,108.47 = 2,948.00 : x - Step 2: Convert to fraction form
10,738.98/16,108.47 = 2,948.00/x - Step 3: Cross multiply
10,738.98x = 16,108.47 × 2,948.00 - Step 4: Simplify right side
10,738.98x = 47,487,689.02 - Step 5: Solve for x
x = 47,487,689.02/10,738.98 - Step 6: Final answer
x = 4,421.99
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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.