Home / 18,974.84-28,466.33-5,826.20

Finding the Fourth Proportional to 18,974.84, 28,466.33 and 5,826.20

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Solution

The fourth proportional to 18,974.84, 28,466.33 and 5,826.20 is: 8,740.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,974.84 : 28,466.33 = 5,826.20 : x
  2. Step 2: Convert to fraction form
    18,974.84/28,466.33 = 5,826.20/x
  3. Step 3: Cross multiply
    18,974.84x = 28,466.33 × 5,826.20
  4. Step 4: Simplify right side
    18,974.84x = 165,850,360.38
  5. Step 5: Solve for x
    x = 165,850,360.38/18,974.84
  6. Step 6: Final answer
    x = 8,740.54

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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.