Home / 22,134.40-30,514.24-13,745.28

Finding the Fourth Proportional to 22,134.40, 30,514.24 and 13,745.28

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Solution

The fourth proportional to 22,134.40, 30,514.24 and 13,745.28 is: 18,949.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,134.40 : 30,514.24 = 13,745.28 : x
  2. Step 2: Convert to fraction form
    22,134.40/30,514.24 = 13,745.28/x
  3. Step 3: Cross multiply
    22,134.40x = 30,514.24 × 13,745.28
  4. Step 4: Simplify right side
    22,134.40x = 419,426,772.79
  5. Step 5: Solve for x
    x = 419,426,772.79/22,134.40
  6. Step 6: Final answer
    x = 18,949.09

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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.