Finding the Fourth Proportional to 18,958.08, 26,163.36 and 10,575.84
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Solution
The fourth proportional to 18,958.08, 26,163.36 and 10,575.84 is: 14,595.33
Step by Step Solution
- Step 1: Write the proportion equation
18,958.08 : 26,163.36 = 10,575.84 : x - Step 2: Convert to fraction form
18,958.08/26,163.36 = 10,575.84/x - Step 3: Cross multiply
18,958.08x = 26,163.36 × 10,575.84 - Step 4: Simplify right side
18,958.08x = 276,699,509.22 - Step 5: Solve for x
x = 276,699,509.22/18,958.08 - Step 6: Final answer
x = 14,595.33
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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.