Finding the Fourth Proportional to 18,652.28, 27,946.14 and 13,095.08
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Solution
The fourth proportional to 18,652.28, 27,946.14 and 13,095.08 is: 19,619.96
Step by Step Solution
- Step 1: Write the proportion equation
18,652.28 : 27,946.14 = 13,095.08 : x - Step 2: Convert to fraction form
18,652.28/27,946.14 = 13,095.08/x - Step 3: Cross multiply
18,652.28x = 27,946.14 × 13,095.08 - Step 4: Simplify right side
18,652.28x = 365,956,938.99 - Step 5: Solve for x
x = 365,956,938.99/18,652.28 - Step 6: Final answer
x = 19,619.96
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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.