Finding the Fourth Proportional to 19,201.30, 26,497.68 and 11,241.92
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Solution
The fourth proportional to 19,201.30, 26,497.68 and 11,241.92 is: 15,513.79
Step by Step Solution
- Step 1: Write the proportion equation
19,201.30 : 26,497.68 = 11,241.92 : x - Step 2: Convert to fraction form
19,201.30/26,497.68 = 11,241.92/x - Step 3: Cross multiply
19,201.30x = 26,497.68 × 11,241.92 - Step 4: Simplify right side
19,201.30x = 297,884,822.83 - Step 5: Solve for x
x = 297,884,822.83/19,201.30 - Step 6: Final answer
x = 15,513.79
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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.