Finding the Fourth Proportional to 22,150.53, 30,567.58 and 12,078.99
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Solution
The fourth proportional to 22,150.53, 30,567.58 and 12,078.99 is: 16,668.92
Step by Step Solution
- Step 1: Write the proportion equation
22,150.53 : 30,567.58 = 12,078.99 : x - Step 2: Convert to fraction form
22,150.53/30,567.58 = 12,078.99/x - Step 3: Cross multiply
22,150.53x = 30,567.58 × 12,078.99 - Step 4: Simplify right side
22,150.53x = 369,225,462.95 - Step 5: Solve for x
x = 369,225,462.95/22,150.53 - Step 6: Final answer
x = 16,668.92
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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.