Finding the Fourth Proportional to 14.65, 21.99 and 13.99
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Solution
The fourth proportional to 14.65, 21.99 and 13.99 is: 21.00
Step by Step Solution
- Step 1: Write the proportion equation
14.65 : 21.99 = 13.99 : x - Step 2: Convert to fraction form
14.65/21.99 = 13.99/x - Step 3: Cross multiply
14.65x = 21.99 × 13.99 - Step 4: Simplify right side
14.65x = 307.64 - Step 5: Solve for x
x = 307.64/14.65 - Step 6: Final answer
x = 21.00
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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.