Finding the Fourth Proportional to 10,511.16, 14,497.19 and 6,734.68
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Solution
The fourth proportional to 10,511.16, 14,497.19 and 6,734.68 is: 9,288.60
Step by Step Solution
- Step 1: Write the proportion equation
10,511.16 : 14,497.19 = 6,734.68 : x - Step 2: Convert to fraction form
10,511.16/14,497.19 = 6,734.68/x - Step 3: Cross multiply
10,511.16x = 14,497.19 × 6,734.68 - Step 4: Simplify right side
10,511.16x = 97,633,863.06 - Step 5: Solve for x
x = 97,633,863.06/10,511.16 - Step 6: Final answer
x = 9,288.60
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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.