Finding the Fourth Proportional to 16,408.08, 22,644 and 9,335.52
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Solution
The fourth proportional to 16,408.08, 22,644 and 9,335.52 is: 12,883.50
Step by Step Solution
- Step 1: Write the proportion equation
16,408.08 : 22,644 = 9,335.52 : x - Step 2: Convert to fraction form
16,408.08/22,644 = 9,335.52/x - Step 3: Cross multiply
16,408.08x = 22,644 × 9,335.52 - Step 4: Simplify right side
16,408.08x = 211,393,514.88 - Step 5: Solve for x
x = 211,393,514.88/16,408.08 - Step 6: Final answer
x = 12,883.50
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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.