Finding the Fourth Proportional to 11,977.99, 16,529.64 and 6,672.99
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Solution
The fourth proportional to 11,977.99, 16,529.64 and 6,672.99 is: 9,208.74
Step by Step Solution
- Step 1: Write the proportion equation
11,977.99 : 16,529.64 = 6,672.99 : x - Step 2: Convert to fraction form
11,977.99/16,529.64 = 6,672.99/x - Step 3: Cross multiply
11,977.99x = 16,529.64 × 6,672.99 - Step 4: Simplify right side
11,977.99x = 110,302,122.42 - Step 5: Solve for x
x = 110,302,122.42/11,977.99 - Step 6: Final answer
x = 9,208.74
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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.