Home / 22,299.30-30,772.62-12,227.28

Finding the Fourth Proportional to 22,299.30, 30,772.62 and 12,227.28

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Solution

The fourth proportional to 22,299.30, 30,772.62 and 12,227.28 is: 16,873.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,299.30 : 30,772.62 = 12,227.28 : x
  2. Step 2: Convert to fraction form
    22,299.30/30,772.62 = 12,227.28/x
  3. Step 3: Cross multiply
    22,299.30x = 30,772.62 × 12,227.28
  4. Step 4: Simplify right side
    22,299.30x = 376,265,441.07
  5. Step 5: Solve for x
    x = 376,265,441.07/22,299.30
  6. Step 6: Final answer
    x = 16,873.42

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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.