Home / 22,442.72-30,970.91-12,371.09

Finding the Fourth Proportional to 22,442.72, 30,970.91 and 12,371.09

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Solution

The fourth proportional to 22,442.72, 30,970.91 and 12,371.09 is: 17,072.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,442.72 : 30,970.91 = 12,371.09 : x
  2. Step 2: Convert to fraction form
    22,442.72/30,970.91 = 12,371.09/x
  3. Step 3: Cross multiply
    22,442.72x = 30,970.91 × 12,371.09
  4. Step 4: Simplify right side
    22,442.72x = 383,143,698.28
  5. Step 5: Solve for x
    x = 383,143,698.28/22,442.72
  6. Step 6: Final answer
    x = 17,072.07

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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.