Finding the Fourth Proportional to 17,716.08, 26,555.89 and 7,860
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Solution
The fourth proportional to 17,716.08, 26,555.89 and 7,860 is: 11,781.91
Step by Step Solution
- Step 1: Write the proportion equation
17,716.08 : 26,555.89 = 7,860 : x - Step 2: Convert to fraction form
17,716.08/26,555.89 = 7,860/x - Step 3: Cross multiply
17,716.08x = 26,555.89 × 7,860 - Step 4: Simplify right side
17,716.08x = 208,729,295.40 - Step 5: Solve for x
x = 208,729,295.40/17,716.08 - Step 6: Final answer
x = 11,781.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.