Home / 22,520.36-31,076.45-12,448.24

Finding the Fourth Proportional to 22,520.36, 31,076.45 and 12,448.24

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Solution

The fourth proportional to 22,520.36, 31,076.45 and 12,448.24 is: 17,177.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,520.36 : 31,076.45 = 12,448.24 : x
  2. Step 2: Convert to fraction form
    22,520.36/31,076.45 = 12,448.24/x
  3. Step 3: Cross multiply
    22,520.36x = 31,076.45 × 12,448.24
  4. Step 4: Simplify right side
    22,520.36x = 386,847,107.95
  5. Step 5: Solve for x
    x = 386,847,107.95/22,520.36
  6. Step 6: Final answer
    x = 17,177.66

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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.