Home / 18,518.13-27,778.73-6,037.88

Finding the Fourth Proportional to 18,518.13, 27,778.73 and 6,037.88

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Solution

The fourth proportional to 18,518.13, 27,778.73 and 6,037.88 is: 9,057.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,518.13 : 27,778.73 = 6,037.88 : x
  2. Step 2: Convert to fraction form
    18,518.13/27,778.73 = 6,037.88/x
  3. Step 3: Cross multiply
    18,518.13x = 27,778.73 × 6,037.88
  4. Step 4: Simplify right side
    18,518.13x = 167,724,469.21
  5. Step 5: Solve for x
    x = 167,724,469.21/18,518.13
  6. Step 6: Final answer
    x = 9,057.31

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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.