Home / 11,660.76-17,487.09-3,867.75

Finding the Fourth Proportional to 11,660.76, 17,487.09 and 3,867.75

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Solution

The fourth proportional to 11,660.76, 17,487.09 and 3,867.75 is: 5,800.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,660.76 : 17,487.09 = 3,867.75 : x
  2. Step 2: Convert to fraction form
    11,660.76/17,487.09 = 3,867.75/x
  3. Step 3: Cross multiply
    11,660.76x = 17,487.09 × 3,867.75
  4. Step 4: Simplify right side
    11,660.76x = 67,635,692.35
  5. Step 5: Solve for x
    x = 67,635,692.35/11,660.76
  6. Step 6: Final answer
    x = 5,800.28

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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.