Home / 13,617.20-20,383.67-11,624.60

Finding the Fourth Proportional to 13,617.20, 20,383.67 and 11,624.60

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Solution

The fourth proportional to 13,617.20, 20,383.67 and 11,624.60 is: 17,400.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,617.20 : 20,383.67 = 11,624.60 : x
  2. Step 2: Convert to fraction form
    13,617.20/20,383.67 = 11,624.60/x
  3. Step 3: Cross multiply
    13,617.20x = 20,383.67 × 11,624.60
  4. Step 4: Simplify right side
    13,617.20x = 236,951,850.24
  5. Step 5: Solve for x
    x = 236,951,850.24/13,617.20
  6. Step 6: Final answer
    x = 17,400.93

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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.