Home / 13,997.54-20,996.75-6,206.36

Finding the Fourth Proportional to 13,997.54, 20,996.75 and 6,206.36

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Solution

The fourth proportional to 13,997.54, 20,996.75 and 6,206.36 is: 9,309.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,997.54 : 20,996.75 = 6,206.36 : x
  2. Step 2: Convert to fraction form
    13,997.54/20,996.75 = 6,206.36/x
  3. Step 3: Cross multiply
    13,997.54x = 20,996.75 × 6,206.36
  4. Step 4: Simplify right side
    13,997.54x = 130,313,299.86
  5. Step 5: Solve for x
    x = 130,313,299.86/13,997.54
  6. Step 6: Final answer
    x = 9,309.73

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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.