Finding the Fourth Proportional to 16,356.50, 22,572 and 8,904.50
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Solution
The fourth proportional to 16,356.50, 22,572 and 8,904.50 is: 12,288.23
Step by Step Solution
- Step 1: Write the proportion equation
16,356.50 : 22,572 = 8,904.50 : x - Step 2: Convert to fraction form
16,356.50/22,572 = 8,904.50/x - Step 3: Cross multiply
16,356.50x = 22,572 × 8,904.50 - Step 4: Simplify right side
16,356.50x = 200,992,374 - Step 5: Solve for x
x = 200,992,374/16,356.50 - Step 6: Final answer
x = 12,288.23
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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.