Finding the Fourth Proportional to 18,977.02, 26,184.20 and 11,014.99
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Solution
The fourth proportional to 18,977.02, 26,184.20 and 11,014.99 is: 15,198.31
Step by Step Solution
- Step 1: Write the proportion equation
18,977.02 : 26,184.20 = 11,014.99 : x - Step 2: Convert to fraction form
18,977.02/26,184.20 = 11,014.99/x - Step 3: Cross multiply
18,977.02x = 26,184.20 × 11,014.99 - Step 4: Simplify right side
18,977.02x = 288,418,580.62 - Step 5: Solve for x
x = 288,418,580.62/18,977.02 - Step 6: Final answer
x = 15,198.31
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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.