Finding the Fourth Proportional to 11,199.47, 15,454.99 and 6,163.63
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Solution
The fourth proportional to 11,199.47, 15,454.99 and 6,163.63 is: 8,505.66
Step by Step Solution
- Step 1: Write the proportion equation
11,199.47 : 15,454.99 = 6,163.63 : x - Step 2: Convert to fraction form
11,199.47/15,454.99 = 6,163.63/x - Step 3: Cross multiply
11,199.47x = 15,454.99 × 6,163.63 - Step 4: Simplify right side
11,199.47x = 95,258,840.01 - Step 5: Solve for x
x = 95,258,840.01/11,199.47 - Step 6: Final answer
x = 8,505.66
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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.