Home / 13,469.48-20,207.80-11,101.88

Finding the Fourth Proportional to 13,469.48, 20,207.80 and 11,101.88

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Solution

The fourth proportional to 13,469.48, 20,207.80 and 11,101.88 is: 16,655.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,469.48 : 20,207.80 = 11,101.88 : x
  2. Step 2: Convert to fraction form
    13,469.48/20,207.80 = 11,101.88/x
  3. Step 3: Cross multiply
    13,469.48x = 20,207.80 × 11,101.88
  4. Step 4: Simplify right side
    13,469.48x = 224,344,635.06
  5. Step 5: Solve for x
    x = 224,344,635.06/13,469.48
  6. Step 6: Final answer
    x = 16,655.78

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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.