Finding the Fourth Proportional to 16,260.78, 24,380.64 and 10,697.28
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Solution
The fourth proportional to 16,260.78, 24,380.64 and 10,697.28 is: 16,038.99
Step by Step Solution
- Step 1: Write the proportion equation
16,260.78 : 24,380.64 = 10,697.28 : x - Step 2: Convert to fraction form
16,260.78/24,380.64 = 10,697.28/x - Step 3: Cross multiply
16,260.78x = 24,380.64 × 10,697.28 - Step 4: Simplify right side
16,260.78x = 260,806,532.66 - Step 5: Solve for x
x = 260,806,532.66/16,260.78 - Step 6: Final answer
x = 16,038.99
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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.