Finding the Fourth Proportional to 9,908.99, 14,865.96 and 6,992.99
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Solution
The fourth proportional to 9,908.99, 14,865.96 and 6,992.99 is: 10,491.23
Step by Step Solution
- Step 1: Write the proportion equation
9,908.99 : 14,865.96 = 6,992.99 : x - Step 2: Convert to fraction form
9,908.99/14,865.96 = 6,992.99/x - Step 3: Cross multiply
9,908.99x = 14,865.96 × 6,992.99 - Step 4: Simplify right side
9,908.99x = 103,957,509.62 - Step 5: Solve for x
x = 103,957,509.62/9,908.99 - Step 6: Final answer
x = 10,491.23
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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.