Finding the Fourth Proportional to 24,439.09, 36,658.19 and 7,798.99
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Solution
The fourth proportional to 24,439.09, 36,658.19 and 7,798.99 is: 11,698.34
Step by Step Solution
- Step 1: Write the proportion equation
24,439.09 : 36,658.19 = 7,798.99 : x - Step 2: Convert to fraction form
24,439.09/36,658.19 = 7,798.99/x - Step 3: Cross multiply
24,439.09x = 36,658.19 × 7,798.99 - Step 4: Simplify right side
24,439.09x = 285,896,818.23 - Step 5: Solve for x
x = 285,896,818.23/24,439.09 - Step 6: Final answer
x = 11,698.34
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Double scale
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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.