Finding the Fourth Proportional to 13,788.23, 20,656.43 and 6,845.99
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Solution
The fourth proportional to 13,788.23, 20,656.43 and 6,845.99 is: 10,256.12
Step by Step Solution
- Step 1: Write the proportion equation
13,788.23 : 20,656.43 = 6,845.99 : x - Step 2: Convert to fraction form
13,788.23/20,656.43 = 6,845.99/x - Step 3: Cross multiply
13,788.23x = 20,656.43 × 6,845.99 - Step 4: Simplify right side
13,788.23x = 141,413,678.99 - Step 5: Solve for x
x = 141,413,678.99/13,788.23 - Step 6: Final answer
x = 10,256.12
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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.