Home / 18,823.44-25,971.84-11,747.28

Finding the Fourth Proportional to 18,823.44, 25,971.84 and 11,747.28

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Solution

The fourth proportional to 18,823.44, 25,971.84 and 11,747.28 is: 16,208.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,823.44 : 25,971.84 = 11,747.28 : x
  2. Step 2: Convert to fraction form
    18,823.44/25,971.84 = 11,747.28/x
  3. Step 3: Cross multiply
    18,823.44x = 25,971.84 × 11,747.28
  4. Step 4: Simplify right side
    18,823.44x = 305,098,476.60
  5. Step 5: Solve for x
    x = 305,098,476.60/18,823.44
  6. Step 6: Final answer
    x = 16,208.43

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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.