Home / 22,620.24-33,940.56-12,219.84

Finding the Fourth Proportional to 22,620.24, 33,940.56 and 12,219.84

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Solution

The fourth proportional to 22,620.24, 33,940.56 and 12,219.84 is: 18,335.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,620.24 : 33,940.56 = 12,219.84 : x
  2. Step 2: Convert to fraction form
    22,620.24/33,940.56 = 12,219.84/x
  3. Step 3: Cross multiply
    22,620.24x = 33,940.56 × 12,219.84
  4. Step 4: Simplify right side
    22,620.24x = 414,748,212.71
  5. Step 5: Solve for x
    x = 414,748,212.71/22,620.24
  6. Step 6: Final answer
    x = 18,335.27

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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.