Finding the Fourth Proportional to 19,147.12, 26,420.17 and 10,762
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Solution
The fourth proportional to 19,147.12, 26,420.17 and 10,762 is: 14,849.95
Step by Step Solution
- Step 1: Write the proportion equation
19,147.12 : 26,420.17 = 10,762 : x - Step 2: Convert to fraction form
19,147.12/26,420.17 = 10,762/x - Step 3: Cross multiply
19,147.12x = 26,420.17 × 10,762 - Step 4: Simplify right side
19,147.12x = 284,333,869.54 - Step 5: Solve for x
x = 284,333,869.54/19,147.12 - Step 6: Final answer
x = 14,849.95
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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.