Home / 18,308.20-27,429.90-16,234.60

Finding the Fourth Proportional to 18,308.20, 27,429.90 and 16,234.60

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Solution

The fourth proportional to 18,308.20, 27,429.90 and 16,234.60 is: 24,323.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,308.20 : 27,429.90 = 16,234.60 : x
  2. Step 2: Convert to fraction form
    18,308.20/27,429.90 = 16,234.60/x
  3. Step 3: Cross multiply
    18,308.20x = 27,429.90 × 16,234.60
  4. Step 4: Simplify right side
    18,308.20x = 445,313,454.54
  5. Step 5: Solve for x
    x = 445,313,454.54/18,308.20
  6. Step 6: Final answer
    x = 24,323.17

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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.