Finding the Fourth Proportional to 18,202.13, 27,267.04 and 12,565.74
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Solution
The fourth proportional to 18,202.13, 27,267.04 and 12,565.74 is: 18,823.65
Step by Step Solution
- Step 1: Write the proportion equation
18,202.13 : 27,267.04 = 12,565.74 : x - Step 2: Convert to fraction form
18,202.13/27,267.04 = 12,565.74/x - Step 3: Cross multiply
18,202.13x = 27,267.04 × 12,565.74 - Step 4: Simplify right side
18,202.13x = 342,630,535.21 - Step 5: Solve for x
x = 342,630,535.21/18,202.13 - Step 6: Final answer
x = 18,823.65
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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.