Home / 22,778.24-34,128.48-12,371.36

Finding the Fourth Proportional to 22,778.24, 34,128.48 and 12,371.36

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Solution

The fourth proportional to 22,778.24, 34,128.48 and 12,371.36 is: 18,535.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,778.24 : 34,128.48 = 12,371.36 : x
  2. Step 2: Convert to fraction form
    22,778.24/34,128.48 = 12,371.36/x
  3. Step 3: Cross multiply
    22,778.24x = 34,128.48 × 12,371.36
  4. Step 4: Simplify right side
    22,778.24x = 422,215,712.33
  5. Step 5: Solve for x
    x = 422,215,712.33/22,778.24
  6. Step 6: Final answer
    x = 18,535.92

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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.