Home / 20,667.94-31,003.94-6,624.43

Finding the Fourth Proportional to 20,667.94, 31,003.94 and 6,624.43

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Solution

The fourth proportional to 20,667.94, 31,003.94 and 6,624.43 is: 9,937.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,667.94 : 31,003.94 = 6,624.43 : x
  2. Step 2: Convert to fraction form
    20,667.94/31,003.94 = 6,624.43/x
  3. Step 3: Cross multiply
    20,667.94x = 31,003.94 × 6,624.43
  4. Step 4: Simplify right side
    20,667.94x = 205,383,369.31
  5. Step 5: Solve for x
    x = 205,383,369.31/20,667.94
  6. Step 6: Final answer
    x = 9,937.29

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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.