Home / 15,974.10-23,982.26-13,649

Finding the Fourth Proportional to 15,974.10, 23,982.26 and 13,649

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Solution

The fourth proportional to 15,974.10, 23,982.26 and 13,649 is: 20,491.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,974.10 : 23,982.26 = 13,649 : x
  2. Step 2: Convert to fraction form
    15,974.10/23,982.26 = 13,649/x
  3. Step 3: Cross multiply
    15,974.10x = 23,982.26 × 13,649
  4. Step 4: Simplify right side
    15,974.10x = 327,333,866.74
  5. Step 5: Solve for x
    x = 327,333,866.74/15,974.10
  6. Step 6: Final answer
    x = 20,491.54

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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.