Finding the Fourth Proportional to 19,135.23, 26,407.25 and 11,582.92
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Solution
The fourth proportional to 19,135.23, 26,407.25 and 11,582.92 is: 15,984.81
Step by Step Solution
- Step 1: Write the proportion equation
19,135.23 : 26,407.25 = 11,582.92 : x - Step 2: Convert to fraction form
19,135.23/26,407.25 = 11,582.92/x - Step 3: Cross multiply
19,135.23x = 26,407.25 × 11,582.92 - Step 4: Simplify right side
19,135.23x = 305,873,006.26 - Step 5: Solve for x
x = 305,873,006.26/19,135.23 - Step 6: Final answer
x = 15,984.81
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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.