Finding the Fourth Proportional to 11,746.06, 17,619.12 and 2,980.96
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Solution
The fourth proportional to 11,746.06, 17,619.12 and 2,980.96 is: 4,471.45
Step by Step Solution
- Step 1: Write the proportion equation
11,746.06 : 17,619.12 = 2,980.96 : x - Step 2: Convert to fraction form
11,746.06/17,619.12 = 2,980.96/x - Step 3: Cross multiply
11,746.06x = 17,619.12 × 2,980.96 - Step 4: Simplify right side
11,746.06x = 52,521,891.96 - Step 5: Solve for x
x = 52,521,891.96/11,746.06 - Step 6: Final answer
x = 4,471.45
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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.