Finding the Fourth Proportional to 19,792.99, 27,314.33 and 10,841.05
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Solution
The fourth proportional to 19,792.99, 27,314.33 and 10,841.05 is: 14,960.65
Step by Step Solution
- Step 1: Write the proportion equation
19,792.99 : 27,314.33 = 10,841.05 : x - Step 2: Convert to fraction form
19,792.99/27,314.33 = 10,841.05/x - Step 3: Cross multiply
19,792.99x = 27,314.33 × 10,841.05 - Step 4: Simplify right side
19,792.99x = 296,116,017.25 - Step 5: Solve for x
x = 296,116,017.25/19,792.99 - Step 6: Final answer
x = 14,960.65
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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.