Home / 22,440.37-30,967.54-12,231.38

Finding the Fourth Proportional to 22,440.37, 30,967.54 and 12,231.38

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Solution

The fourth proportional to 22,440.37, 30,967.54 and 12,231.38 is: 16,879.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,440.37 : 30,967.54 = 12,231.38 : x
  2. Step 2: Convert to fraction form
    22,440.37/30,967.54 = 12,231.38/x
  3. Step 3: Cross multiply
    22,440.37x = 30,967.54 × 12,231.38
  4. Step 4: Simplify right side
    22,440.37x = 378,775,749.41
  5. Step 5: Solve for x
    x = 378,775,749.41/22,440.37
  6. Step 6: Final answer
    x = 16,879.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.