Home / 22,228.20-33,342.30-11,860.20

Finding the Fourth Proportional to 22,228.20, 33,342.30 and 11,860.20

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Solution

The fourth proportional to 22,228.20, 33,342.30 and 11,860.20 is: 17,790.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,228.20 : 33,342.30 = 11,860.20 : x
  2. Step 2: Convert to fraction form
    22,228.20/33,342.30 = 11,860.20/x
  3. Step 3: Cross multiply
    22,228.20x = 33,342.30 × 11,860.20
  4. Step 4: Simplify right side
    22,228.20x = 395,446,346.46
  5. Step 5: Solve for x
    x = 395,446,346.46/22,228.20
  6. Step 6: Final answer
    x = 17,790.30

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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.