Finding the Fourth Proportional to 16,448, 22,698.80 and 8,996.48
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Solution
The fourth proportional to 16,448, 22,698.80 and 8,996.48 is: 12,415.45
Step by Step Solution
- Step 1: Write the proportion equation
16,448 : 22,698.80 = 8,996.48 : x - Step 2: Convert to fraction form
16,448/22,698.80 = 8,996.48/x - Step 3: Cross multiply
16,448x = 22,698.80 × 8,996.48 - Step 4: Simplify right side
16,448x = 204,209,300.22 - Step 5: Solve for x
x = 204,209,300.22/16,448 - Step 6: Final answer
x = 12,415.45
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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.