Home / 22,442.70-30,971.58-12,371.27

Finding the Fourth Proportional to 22,442.70, 30,971.58 and 12,371.27

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Solution

The fourth proportional to 22,442.70, 30,971.58 and 12,371.27 is: 17,072.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,442.70 : 30,971.58 = 12,371.27 : x
  2. Step 2: Convert to fraction form
    22,442.70/30,971.58 = 12,371.27/x
  3. Step 3: Cross multiply
    22,442.70x = 30,971.58 × 12,371.27
  4. Step 4: Simplify right side
    22,442.70x = 383,157,623.65
  5. Step 5: Solve for x
    x = 383,157,623.65/22,442.70
  6. Step 6: Final answer
    x = 17,072.71

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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.