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Finding the Fourth Proportional to 22,293, 30,765.08 and 12,222.26

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Solution

The fourth proportional to 22,293, 30,765.08 and 12,222.26 is: 16,867.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,293 : 30,765.08 = 12,222.26 : x
  2. Step 2: Convert to fraction form
    22,293/30,765.08 = 12,222.26/x
  3. Step 3: Cross multiply
    22,293x = 30,765.08 × 12,222.26
  4. Step 4: Simplify right side
    22,293x = 376,018,806.68
  5. Step 5: Solve for x
    x = 376,018,806.68/22,293
  6. Step 6: Final answer
    x = 16,867.12

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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.