Finding the Fourth Proportional to 12,026.18, 16,596.08 and 6,720.99
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Solution
The fourth proportional to 12,026.18, 16,596.08 and 6,720.99 is: 9,274.94
Step by Step Solution
- Step 1: Write the proportion equation
12,026.18 : 16,596.08 = 6,720.99 : x - Step 2: Convert to fraction form
12,026.18/16,596.08 = 6,720.99/x - Step 3: Cross multiply
12,026.18x = 16,596.08 × 6,720.99 - Step 4: Simplify right side
12,026.18x = 111,542,104.52 - Step 5: Solve for x
x = 111,542,104.52/12,026.18 - Step 6: Final answer
x = 9,274.94
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1.5x scale
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.