Finding the Fourth Proportional to 12,793.52, 19,202.16 and 6,557.99
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Solution
The fourth proportional to 12,793.52, 19,202.16 and 6,557.99 is: 9,843.07
Step by Step Solution
- Step 1: Write the proportion equation
12,793.52 : 19,202.16 = 6,557.99 : x - Step 2: Convert to fraction form
12,793.52/19,202.16 = 6,557.99/x - Step 3: Cross multiply
12,793.52x = 19,202.16 × 6,557.99 - Step 4: Simplify right side
12,793.52x = 125,927,573.26 - Step 5: Solve for x
x = 125,927,573.26/12,793.52 - Step 6: Final answer
x = 9,843.07
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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.