Finding the Fourth Proportional to 10,571.34, 14,580 and 7,217.94
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Solution
The fourth proportional to 10,571.34, 14,580 and 7,217.94 is: 9,954.99
Step by Step Solution
- Step 1: Write the proportion equation
10,571.34 : 14,580 = 7,217.94 : x - Step 2: Convert to fraction form
10,571.34/14,580 = 7,217.94/x - Step 3: Cross multiply
10,571.34x = 14,580 × 7,217.94 - Step 4: Simplify right side
10,571.34x = 105,237,565.20 - Step 5: Solve for x
x = 105,237,565.20/10,571.34 - Step 6: Final answer
x = 9,954.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.