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Finding the Fourth Proportional to 18,341.62, 27,489.75 and 10,450.75

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Solution

The fourth proportional to 18,341.62, 27,489.75 and 10,450.75 is: 15,663.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,341.62 : 27,489.75 = 10,450.75 : x
  2. Step 2: Convert to fraction form
    18,341.62/27,489.75 = 10,450.75/x
  3. Step 3: Cross multiply
    18,341.62x = 27,489.75 × 10,450.75
  4. Step 4: Simplify right side
    18,341.62x = 287,288,504.81
  5. Step 5: Solve for x
    x = 287,288,504.81/18,341.62
  6. Step 6: Final answer
    x = 15,663.20

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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.