Home / 12,369.38-18,556.83-4,974.28

Finding the Fourth Proportional to 12,369.38, 18,556.83 and 4,974.28

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Solution

The fourth proportional to 12,369.38, 18,556.83 and 4,974.28 is: 7,462.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,369.38 : 18,556.83 = 4,974.28 : x
  2. Step 2: Convert to fraction form
    12,369.38/18,556.83 = 4,974.28/x
  3. Step 3: Cross multiply
    12,369.38x = 18,556.83 × 4,974.28
  4. Step 4: Simplify right side
    12,369.38x = 92,306,821.94
  5. Step 5: Solve for x
    x = 92,306,821.94/12,369.38
  6. Step 6: Final answer
    x = 7,462.53

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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.