Finding the Fourth Proportional to 18,539.81, 27,803.90 and 6,056.99
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Solution
The fourth proportional to 18,539.81, 27,803.90 and 6,056.99 is: 9,083.59
Step by Step Solution
- Step 1: Write the proportion equation
18,539.81 : 27,803.90 = 6,056.99 : x - Step 2: Convert to fraction form
18,539.81/27,803.90 = 6,056.99/x - Step 3: Cross multiply
18,539.81x = 27,803.90 × 6,056.99 - Step 4: Simplify right side
18,539.81x = 168,407,944.26 - Step 5: Solve for x
x = 168,407,944.26/18,539.81 - Step 6: Final answer
x = 9,083.59
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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.