Finding the Fourth Proportional to 19,176.24, 28,722.75 and 9,294.75
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Solution
The fourth proportional to 19,176.24, 28,722.75 and 9,294.75 is: 13,921.95
Step by Step Solution
- Step 1: Write the proportion equation
19,176.24 : 28,722.75 = 9,294.75 : x - Step 2: Convert to fraction form
19,176.24/28,722.75 = 9,294.75/x - Step 3: Cross multiply
19,176.24x = 28,722.75 × 9,294.75 - Step 4: Simplify right side
19,176.24x = 266,970,797.99 - Step 5: Solve for x
x = 266,970,797.99/19,176.24 - Step 6: Final answer
x = 13,921.95
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1.5x scale
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.