Finding the Fourth Proportional to 13,904.24, 20,859.48 and 4,670
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Solution
The fourth proportional to 13,904.24, 20,859.48 and 4,670 is: 7,006.05
Step by Step Solution
- Step 1: Write the proportion equation
13,904.24 : 20,859.48 = 4,670 : x - Step 2: Convert to fraction form
13,904.24/20,859.48 = 4,670/x - Step 3: Cross multiply
13,904.24x = 20,859.48 × 4,670 - Step 4: Simplify right side
13,904.24x = 97,413,771.60 - Step 5: Solve for x
x = 97,413,771.60/13,904.24 - Step 6: Final answer
x = 7,006.05
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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.