Finding the Fourth Proportional to 12,618.23, 17,413.97 and 6,952.99
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Solution
The fourth proportional to 12,618.23, 17,413.97 and 6,952.99 is: 9,595.57
Step by Step Solution
- Step 1: Write the proportion equation
12,618.23 : 17,413.97 = 6,952.99 : x - Step 2: Convert to fraction form
12,618.23/17,413.97 = 6,952.99/x - Step 3: Cross multiply
12,618.23x = 17,413.97 × 6,952.99 - Step 4: Simplify right side
12,618.23x = 121,079,159.27 - Step 5: Solve for x
x = 121,079,159.27/12,618.23 - Step 6: Final answer
x = 9,595.57
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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.