Finding the Fourth Proportional to 10,313.99, 15,467.02 and 3,738.59
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Solution
The fourth proportional to 10,313.99, 15,467.02 and 3,738.59 is: 5,606.45
Step by Step Solution
- Step 1: Write the proportion equation
10,313.99 : 15,467.02 = 3,738.59 : x - Step 2: Convert to fraction form
10,313.99/15,467.02 = 3,738.59/x - Step 3: Cross multiply
10,313.99x = 15,467.02 × 3,738.59 - Step 4: Simplify right side
10,313.99x = 57,824,846.30 - Step 5: Solve for x
x = 57,824,846.30/10,313.99 - Step 6: Final answer
x = 5,606.45
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1.5x scale
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.