Home / 22,246.20-33,369.30-11,878.20

Finding the Fourth Proportional to 22,246.20, 33,369.30 and 11,878.20

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Solution

The fourth proportional to 22,246.20, 33,369.30 and 11,878.20 is: 17,817.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,246.20 : 33,369.30 = 11,878.20 : x
  2. Step 2: Convert to fraction form
    22,246.20/33,369.30 = 11,878.20/x
  3. Step 3: Cross multiply
    22,246.20x = 33,369.30 × 11,878.20
  4. Step 4: Simplify right side
    22,246.20x = 396,367,219.26
  5. Step 5: Solve for x
    x = 396,367,219.26/22,246.20
  6. Step 6: Final answer
    x = 17,817.30

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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.