Home / 17,640.17-26,446.37-12,076.65

Finding the Fourth Proportional to 17,640.17, 26,446.37 and 12,076.65

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Solution

The fourth proportional to 17,640.17, 26,446.37 and 12,076.65 is: 18,105.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,640.17 : 26,446.37 = 12,076.65 : x
  2. Step 2: Convert to fraction form
    17,640.17/26,446.37 = 12,076.65/x
  3. Step 3: Cross multiply
    17,640.17x = 26,446.37 × 12,076.65
  4. Step 4: Simplify right side
    17,640.17x = 319,383,493.88
  5. Step 5: Solve for x
    x = 319,383,493.88/17,640.17
  6. Step 6: Final answer
    x = 18,105.47

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1.5x scale

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.