Home / 18,013.60-27,020.36-4,865.94

Finding the Fourth Proportional to 18,013.60, 27,020.36 and 4,865.94

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Solution

The fourth proportional to 18,013.60, 27,020.36 and 4,865.94 is: 7,298.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,013.60 : 27,020.36 = 4,865.94 : x
  2. Step 2: Convert to fraction form
    18,013.60/27,020.36 = 4,865.94/x
  3. Step 3: Cross multiply
    18,013.60x = 27,020.36 × 4,865.94
  4. Step 4: Simplify right side
    18,013.60x = 131,479,450.54
  5. Step 5: Solve for x
    x = 131,479,450.54/18,013.60
  6. Step 6: Final answer
    x = 7,298.90

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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.