Home / 23,112.36-34,640.82-13,258.44

Finding the Fourth Proportional to 23,112.36, 34,640.82 and 13,258.44

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Solution

The fourth proportional to 23,112.36, 34,640.82 and 13,258.44 is: 19,871.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,112.36 : 34,640.82 = 13,258.44 : x
  2. Step 2: Convert to fraction form
    23,112.36/34,640.82 = 13,258.44/x
  3. Step 3: Cross multiply
    23,112.36x = 34,640.82 × 13,258.44
  4. Step 4: Simplify right side
    23,112.36x = 459,283,233.52
  5. Step 5: Solve for x
    x = 459,283,233.52/23,112.36
  6. Step 6: Final answer
    x = 19,871.76

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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.