Home / 11,867.67-17,768.70-8,937.09

Finding the Fourth Proportional to 11,867.67, 17,768.70 and 8,937.09

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Solution

The fourth proportional to 11,867.67, 17,768.70 and 8,937.09 is: 13,380.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,867.67 : 17,768.70 = 8,937.09 : x
  2. Step 2: Convert to fraction form
    11,867.67/17,768.70 = 8,937.09/x
  3. Step 3: Cross multiply
    11,867.67x = 17,768.70 × 8,937.09
  4. Step 4: Simplify right side
    11,867.67x = 158,800,471.08
  5. Step 5: Solve for x
    x = 158,800,471.08/11,867.67
  6. Step 6: Final answer
    x = 13,380.93

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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.