Home / 22,450.95-30,984.39-12,892.09

Finding the Fourth Proportional to 22,450.95, 30,984.39 and 12,892.09

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Solution

The fourth proportional to 22,450.95, 30,984.39 and 12,892.09 is: 17,792.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,450.95 : 30,984.39 = 12,892.09 : x
  2. Step 2: Convert to fraction form
    22,450.95/30,984.39 = 12,892.09/x
  3. Step 3: Cross multiply
    22,450.95x = 30,984.39 × 12,892.09
  4. Step 4: Simplify right side
    22,450.95x = 399,453,383.58
  5. Step 5: Solve for x
    x = 399,453,383.58/22,450.95
  6. Step 6: Final answer
    x = 17,792.27

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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.