Finding the Fourth Proportional to 19,201.92, 26,497.63 and 10,817.88
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Solution
The fourth proportional to 19,201.92, 26,497.63 and 10,817.88 is: 14,928.09
Step by Step Solution
- Step 1: Write the proportion equation
19,201.92 : 26,497.63 = 10,817.88 : x - Step 2: Convert to fraction form
19,201.92/26,497.63 = 10,817.88/x - Step 3: Cross multiply
19,201.92x = 26,497.63 × 10,817.88 - Step 4: Simplify right side
19,201.92x = 286,647,995.05 - Step 5: Solve for x
x = 286,647,995.05/19,201.92 - Step 6: Final answer
x = 14,928.09
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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.