Home / 14,786.28-20,388.78-11,016.36

Finding the Fourth Proportional to 14,786.28, 20,388.78 and 11,016.36

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Solution

The fourth proportional to 14,786.28, 20,388.78 and 11,016.36 is: 15,190.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,786.28 : 20,388.78 = 11,016.36 : x
  2. Step 2: Convert to fraction form
    14,786.28/20,388.78 = 11,016.36/x
  3. Step 3: Cross multiply
    14,786.28x = 20,388.78 × 11,016.36
  4. Step 4: Simplify right side
    14,786.28x = 224,610,140.44
  5. Step 5: Solve for x
    x = 224,610,140.44/14,786.28
  6. Step 6: Final answer
    x = 15,190.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.