Home / 22,243.78-30,695.24-12,170.28

Finding the Fourth Proportional to 22,243.78, 30,695.24 and 12,170.28

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Solution

The fourth proportional to 22,243.78, 30,695.24 and 12,170.28 is: 16,794.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,243.78 : 30,695.24 = 12,170.28 : x
  2. Step 2: Convert to fraction form
    22,243.78/30,695.24 = 12,170.28/x
  3. Step 3: Cross multiply
    22,243.78x = 30,695.24 × 12,170.28
  4. Step 4: Simplify right side
    22,243.78x = 373,569,675.97
  5. Step 5: Solve for x
    x = 373,569,675.97/22,243.78
  6. Step 6: Final answer
    x = 16,794.34

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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.