Finding the Fourth Proportional to 19,605.75, 29,392.09 and 8,504.08
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Solution
The fourth proportional to 19,605.75, 29,392.09 and 8,504.08 is: 12,748.95
Step by Step Solution
- Step 1: Write the proportion equation
19,605.75 : 29,392.09 = 8,504.08 : x - Step 2: Convert to fraction form
19,605.75/29,392.09 = 8,504.08/x - Step 3: Cross multiply
19,605.75x = 29,392.09 × 8,504.08 - Step 4: Simplify right side
19,605.75x = 249,952,589.99 - Step 5: Solve for x
x = 249,952,589.99/19,605.75 - Step 6: Final answer
x = 12,748.95
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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.