Finding the Fourth Proportional to 15,052.99, 20,773.11 and 8,338.63
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Solution
The fourth proportional to 15,052.99, 20,773.11 and 8,338.63 is: 11,507.30
Step by Step Solution
- Step 1: Write the proportion equation
15,052.99 : 20,773.11 = 8,338.63 : x - Step 2: Convert to fraction form
15,052.99/20,773.11 = 8,338.63/x - Step 3: Cross multiply
15,052.99x = 20,773.11 × 8,338.63 - Step 4: Simplify right side
15,052.99x = 173,219,278.24 - Step 5: Solve for x
x = 173,219,278.24/15,052.99 - Step 6: Final answer
x = 11,507.30
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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.