Finding the Fourth Proportional to 11,502.63, 15,873.84 and 6,787.08
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Solution
The fourth proportional to 11,502.63, 15,873.84 and 6,787.08 is: 9,366.29
Step by Step Solution
- Step 1: Write the proportion equation
11,502.63 : 15,873.84 = 6,787.08 : x - Step 2: Convert to fraction form
11,502.63/15,873.84 = 6,787.08/x - Step 3: Cross multiply
11,502.63x = 15,873.84 × 6,787.08 - Step 4: Simplify right side
11,502.63x = 107,737,021.99 - Step 5: Solve for x
x = 107,737,021.99/11,502.63 - Step 6: Final answer
x = 9,366.29
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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.