Home / 22,018.80-33,029.88-10,914.31

Finding the Fourth Proportional to 22,018.80, 33,029.88 and 10,914.31

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Solution

The fourth proportional to 22,018.80, 33,029.88 and 10,914.31 is: 16,372.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,018.80 : 33,029.88 = 10,914.31 : x
  2. Step 2: Convert to fraction form
    22,018.80/33,029.88 = 10,914.31/x
  3. Step 3: Cross multiply
    22,018.80x = 33,029.88 × 10,914.31
  4. Step 4: Simplify right side
    22,018.80x = 360,498,349.94
  5. Step 5: Solve for x
    x = 360,498,349.94/22,018.80
  6. Step 6: Final answer
    x = 16,372.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.