Home / 15,661.34-23,491.96-3,974.54

Finding the Fourth Proportional to 15,661.34, 23,491.96 and 3,974.54

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Solution

The fourth proportional to 15,661.34, 23,491.96 and 3,974.54 is: 5,961.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,661.34 : 23,491.96 = 3,974.54 : x
  2. Step 2: Convert to fraction form
    15,661.34/23,491.96 = 3,974.54/x
  3. Step 3: Cross multiply
    15,661.34x = 23,491.96 × 3,974.54
  4. Step 4: Simplify right side
    15,661.34x = 93,369,734.70
  5. Step 5: Solve for x
    x = 93,369,734.70/15,661.34
  6. Step 6: Final answer
    x = 5,961.80

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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.