Home / 18,027.60-24,876.68-9,960.91

Finding the Fourth Proportional to 18,027.60, 24,876.68 and 9,960.91

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Solution

The fourth proportional to 18,027.60, 24,876.68 and 9,960.91 is: 13,745.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,027.60 : 24,876.68 = 9,960.91 : x
  2. Step 2: Convert to fraction form
    18,027.60/24,876.68 = 9,960.91/x
  3. Step 3: Cross multiply
    18,027.60x = 24,876.68 × 9,960.91
  4. Step 4: Simplify right side
    18,027.60x = 247,794,370.58
  5. Step 5: Solve for x
    x = 247,794,370.58/18,027.60
  6. Step 6: Final answer
    x = 13,745.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.