Finding the Fourth Proportional to 13,644, 20,466 and 4,410
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Solution
The fourth proportional to 13,644, 20,466 and 4,410 is: 6,615
Step by Step Solution
- Step 1: Write the proportion equation
13,644 : 20,466 = 4,410 : x - Step 2: Convert to fraction form
13,644/20,466 = 4,410/x - Step 3: Cross multiply
13,644x = 20,466 × 4,410 - Step 4: Simplify right side
13,644x = 90,255,060 - Step 5: Solve for x
x = 90,255,060/13,644 - Step 6: Final answer
x = 6,615
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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.