Home / 20,044.10-27,660.66-11,981.46

Finding the Fourth Proportional to 20,044.10, 27,660.66 and 11,981.46

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Solution

The fourth proportional to 20,044.10, 27,660.66 and 11,981.46 is: 16,534.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,044.10 : 27,660.66 = 11,981.46 : x
  2. Step 2: Convert to fraction form
    20,044.10/27,660.66 = 11,981.46/x
  3. Step 3: Cross multiply
    20,044.10x = 27,660.66 × 11,981.46
  4. Step 4: Simplify right side
    20,044.10x = 331,415,091.36
  5. Step 5: Solve for x
    x = 331,415,091.36/20,044.10
  6. Step 6: Final answer
    x = 16,534.30

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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.