Finding the Fourth Proportional to 14,720.79, 22,082.19 and 4,866.99
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Solution
The fourth proportional to 14,720.79, 22,082.19 and 4,866.99 is: 7,300.82
Step by Step Solution
- Step 1: Write the proportion equation
14,720.79 : 22,082.19 = 4,866.99 : x - Step 2: Convert to fraction form
14,720.79/22,082.19 = 4,866.99/x - Step 3: Cross multiply
14,720.79x = 22,082.19 × 4,866.99 - Step 4: Simplify right side
14,720.79x = 107,473,797.91 - Step 5: Solve for x
x = 107,473,797.91/14,720.79 - Step 6: Final answer
x = 7,300.82
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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.