Finding the Fourth Proportional to 17,131.48, 23,623.26 and 13,347.94
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Solution
The fourth proportional to 17,131.48, 23,623.26 and 13,347.94 is: 18,405.99
Step by Step Solution
- Step 1: Write the proportion equation
17,131.48 : 23,623.26 = 13,347.94 : x - Step 2: Convert to fraction form
17,131.48/23,623.26 = 13,347.94/x - Step 3: Cross multiply
17,131.48x = 23,623.26 × 13,347.94 - Step 4: Simplify right side
17,131.48x = 315,321,857.08 - Step 5: Solve for x
x = 315,321,857.08/17,131.48 - Step 6: Final answer
x = 18,405.99
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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.