Finding the Fourth Proportional to 14,220.36, 21,330.60 and 6,823.08
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Solution
The fourth proportional to 14,220.36, 21,330.60 and 6,823.08 is: 10,234.65
Step by Step Solution
- Step 1: Write the proportion equation
14,220.36 : 21,330.60 = 6,823.08 : x - Step 2: Convert to fraction form
14,220.36/21,330.60 = 6,823.08/x - Step 3: Cross multiply
14,220.36x = 21,330.60 × 6,823.08 - Step 4: Simplify right side
14,220.36x = 145,540,390.25 - Step 5: Solve for x
x = 145,540,390.25/14,220.36 - Step 6: Final answer
x = 10,234.65
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1.5x scale
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.