Home / 13,327.11-19,993.82-6,667.47

Finding the Fourth Proportional to 13,327.11, 19,993.82 and 6,667.47

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Solution

The fourth proportional to 13,327.11, 19,993.82 and 6,667.47 is: 10,002.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,327.11 : 19,993.82 = 6,667.47 : x
  2. Step 2: Convert to fraction form
    13,327.11/19,993.82 = 6,667.47/x
  3. Step 3: Cross multiply
    13,327.11x = 19,993.82 × 6,667.47
  4. Step 4: Simplify right side
    13,327.11x = 133,308,161.70
  5. Step 5: Solve for x
    x = 133,308,161.70/13,327.11
  6. Step 6: Final answer
    x = 10,002.78

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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.