Home / 16,704.84-23,083.38-11,981.64

Finding the Fourth Proportional to 16,704.84, 23,083.38 and 11,981.64

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Solution

The fourth proportional to 16,704.84, 23,083.38 and 11,981.64 is: 16,556.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,704.84 : 23,083.38 = 11,981.64 : x
  2. Step 2: Convert to fraction form
    16,704.84/23,083.38 = 11,981.64/x
  3. Step 3: Cross multiply
    16,704.84x = 23,083.38 × 11,981.64
  4. Step 4: Simplify right side
    16,704.84x = 276,576,749.14
  5. Step 5: Solve for x
    x = 276,576,749.14/16,704.84
  6. Step 6: Final answer
    x = 16,556.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.