Home / 17,640.36-26,469.19-8,281.14

Finding the Fourth Proportional to 17,640.36, 26,469.19 and 8,281.14

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Solution

The fourth proportional to 17,640.36, 26,469.19 and 8,281.14 is: 12,425.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,640.36 : 26,469.19 = 8,281.14 : x
  2. Step 2: Convert to fraction form
    17,640.36/26,469.19 = 8,281.14/x
  3. Step 3: Cross multiply
    17,640.36x = 26,469.19 × 8,281.14
  4. Step 4: Simplify right side
    17,640.36x = 219,195,146.63
  5. Step 5: Solve for x
    x = 219,195,146.63/17,640.36
  6. Step 6: Final answer
    x = 12,425.77

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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.