Home / 22,474.20-31,014.41-12,914.72

Finding the Fourth Proportional to 22,474.20, 31,014.41 and 12,914.72

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Solution

The fourth proportional to 22,474.20, 31,014.41 and 12,914.72 is: 17,822.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,474.20 : 31,014.41 = 12,914.72 : x
  2. Step 2: Convert to fraction form
    22,474.20/31,014.41 = 12,914.72/x
  3. Step 3: Cross multiply
    22,474.20x = 31,014.41 × 12,914.72
  4. Step 4: Simplify right side
    22,474.20x = 400,542,201.47
  5. Step 5: Solve for x
    x = 400,542,201.47/22,474.20
  6. Step 6: Final answer
    x = 17,822.31

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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.