Home / 18,291.83-27,408.58-11,712.60

Finding the Fourth Proportional to 18,291.83, 27,408.58 and 11,712.60

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Solution

The fourth proportional to 18,291.83, 27,408.58 and 11,712.60 is: 17,550.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,291.83 : 27,408.58 = 11,712.60 : x
  2. Step 2: Convert to fraction form
    18,291.83/27,408.58 = 11,712.60/x
  3. Step 3: Cross multiply
    18,291.83x = 27,408.58 × 11,712.60
  4. Step 4: Simplify right side
    18,291.83x = 321,025,704.83
  5. Step 5: Solve for x
    x = 321,025,704.83/18,291.83
  6. Step 6: Final answer
    x = 17,550.23

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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.