Finding the Fourth Proportional to 11,130.28, 16,695.78 and 5,283.88
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Solution
The fourth proportional to 11,130.28, 16,695.78 and 5,283.88 is: 7,925.99
Step by Step Solution
- Step 1: Write the proportion equation
11,130.28 : 16,695.78 = 5,283.88 : x - Step 2: Convert to fraction form
11,130.28/16,695.78 = 5,283.88/x - Step 3: Cross multiply
11,130.28x = 16,695.78 × 5,283.88 - Step 4: Simplify right side
11,130.28x = 88,218,498.03 - Step 5: Solve for x
x = 88,218,498.03/11,130.28 - Step 6: Final answer
x = 7,925.99
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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.