Home / 18,273.45-27,408.15-14,980.80

Finding the Fourth Proportional to 18,273.45, 27,408.15 and 14,980.80

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Solution

The fourth proportional to 18,273.45, 27,408.15 and 14,980.80 is: 22,469.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,273.45 : 27,408.15 = 14,980.80 : x
  2. Step 2: Convert to fraction form
    18,273.45/27,408.15 = 14,980.80/x
  3. Step 3: Cross multiply
    18,273.45x = 27,408.15 × 14,980.80
  4. Step 4: Simplify right side
    18,273.45x = 410,596,013.52
  5. Step 5: Solve for x
    x = 410,596,013.52/18,273.45
  6. Step 6: Final answer
    x = 22,469.54

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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.