Home / 22,273.72-30,737.58-13,321.60

Finding the Fourth Proportional to 22,273.72, 30,737.58 and 13,321.60

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Solution

The fourth proportional to 22,273.72, 30,737.58 and 13,321.60 is: 18,383.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,273.72 : 30,737.58 = 13,321.60 : x
  2. Step 2: Convert to fraction form
    22,273.72/30,737.58 = 13,321.60/x
  3. Step 3: Cross multiply
    22,273.72x = 30,737.58 × 13,321.60
  4. Step 4: Simplify right side
    22,273.72x = 409,473,745.73
  5. Step 5: Solve for x
    x = 409,473,745.73/22,273.72
  6. Step 6: Final answer
    x = 18,383.72

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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.