Finding the Fourth Proportional to 12,051.42, 16,632 and 6,746.16
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Solution
The fourth proportional to 12,051.42, 16,632 and 6,746.16 is: 9,310.28
Step by Step Solution
- Step 1: Write the proportion equation
12,051.42 : 16,632 = 6,746.16 : x - Step 2: Convert to fraction form
12,051.42/16,632 = 6,746.16/x - Step 3: Cross multiply
12,051.42x = 16,632 × 6,746.16 - Step 4: Simplify right side
12,051.42x = 112,202,133.12 - Step 5: Solve for x
x = 112,202,133.12/12,051.42 - Step 6: Final answer
x = 9,310.28
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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.