Home / 18,469.12-27,657.60-11,522.56

Finding the Fourth Proportional to 18,469.12, 27,657.60 and 11,522.56

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Solution

The fourth proportional to 18,469.12, 27,657.60 and 11,522.56 is: 17,255.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,469.12 : 27,657.60 = 11,522.56 : x
  2. Step 2: Convert to fraction form
    18,469.12/27,657.60 = 11,522.56/x
  3. Step 3: Cross multiply
    18,469.12x = 27,657.60 × 11,522.56
  4. Step 4: Simplify right side
    18,469.12x = 318,686,355.46
  5. Step 5: Solve for x
    x = 318,686,355.46/18,469.12
  6. Step 6: Final answer
    x = 17,255.09

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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.