Home / 13,644.37-20,469.54-12,266.56

Finding the Fourth Proportional to 13,644.37, 20,469.54 and 12,266.56

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Solution

The fourth proportional to 13,644.37, 20,469.54 and 12,266.56 is: 18,402.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,644.37 : 20,469.54 = 12,266.56 : x
  2. Step 2: Convert to fraction form
    13,644.37/20,469.54 = 12,266.56/x
  3. Step 3: Cross multiply
    13,644.37x = 20,469.54 × 12,266.56
  4. Step 4: Simplify right side
    13,644.37x = 251,090,789.41
  5. Step 5: Solve for x
    x = 251,090,789.41/13,644.37
  6. Step 6: Final answer
    x = 18,402.52

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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.