Home / 13,067.73-18,027.90-7,759.67

Finding the Fourth Proportional to 13,067.73, 18,027.90 and 7,759.67

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Solution

The fourth proportional to 13,067.73, 18,027.90 and 7,759.67 is: 10,705.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,067.73 : 18,027.90 = 7,759.67 : x
  2. Step 2: Convert to fraction form
    13,067.73/18,027.90 = 7,759.67/x
  3. Step 3: Cross multiply
    13,067.73x = 18,027.90 × 7,759.67
  4. Step 4: Simplify right side
    13,067.73x = 139,890,464.65
  5. Step 5: Solve for x
    x = 139,890,464.65/13,067.73
  6. Step 6: Final answer
    x = 10,705.03

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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.