Home / 22,188.44-33,282.97-12,390.07

Finding the Fourth Proportional to 22,188.44, 33,282.97 and 12,390.07

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Solution

The fourth proportional to 22,188.44, 33,282.97 and 12,390.07 is: 18,585.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,188.44 : 33,282.97 = 12,390.07 : x
  2. Step 2: Convert to fraction form
    22,188.44/33,282.97 = 12,390.07/x
  3. Step 3: Cross multiply
    22,188.44x = 33,282.97 × 12,390.07
  4. Step 4: Simplify right side
    22,188.44x = 412,378,266.16
  5. Step 5: Solve for x
    x = 412,378,266.16/22,188.44
  6. Step 6: Final answer
    x = 18,585.28

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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.