Home / 20,222.72-27,907.43-11,726.49

Finding the Fourth Proportional to 20,222.72, 27,907.43 and 11,726.49

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Solution

The fourth proportional to 20,222.72, 27,907.43 and 11,726.49 is: 16,182.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,222.72 : 27,907.43 = 11,726.49 : x
  2. Step 2: Convert to fraction form
    20,222.72/27,907.43 = 11,726.49/x
  3. Step 3: Cross multiply
    20,222.72x = 27,907.43 × 11,726.49
  4. Step 4: Simplify right side
    20,222.72x = 327,256,198.82
  5. Step 5: Solve for x
    x = 327,256,198.82/20,222.72
  6. Step 6: Final answer
    x = 16,182.60

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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.