Home / 22,331.21-30,816.94-12,259.82

Finding the Fourth Proportional to 22,331.21, 30,816.94 and 12,259.82

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Solution

The fourth proportional to 22,331.21, 30,816.94 and 12,259.82 is: 16,918.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,331.21 : 30,816.94 = 12,259.82 : x
  2. Step 2: Convert to fraction form
    22,331.21/30,816.94 = 12,259.82/x
  3. Step 3: Cross multiply
    22,331.21x = 30,816.94 × 12,259.82
  4. Step 4: Simplify right side
    22,331.21x = 377,810,137.35
  5. Step 5: Solve for x
    x = 377,810,137.35/22,331.21
  6. Step 6: Final answer
    x = 16,918.48

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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.