Finding the Fourth Proportional to 11,735.63, 16,195.08 and 6,430.44
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Solution
The fourth proportional to 11,735.63, 16,195.08 and 6,430.44 is: 8,873.95
Step by Step Solution
- Step 1: Write the proportion equation
11,735.63 : 16,195.08 = 6,430.44 : x - Step 2: Convert to fraction form
11,735.63/16,195.08 = 6,430.44/x - Step 3: Cross multiply
11,735.63x = 16,195.08 × 6,430.44 - Step 4: Simplify right side
11,735.63x = 104,141,409.26 - Step 5: Solve for x
x = 104,141,409.26/11,735.63 - Step 6: Final answer
x = 8,873.95
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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.