Home / 21,954.53-30,297.21-11,882.96

Finding the Fourth Proportional to 21,954.53, 30,297.21 and 11,882.96

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Solution

The fourth proportional to 21,954.53, 30,297.21 and 11,882.96 is: 16,398.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,954.53 : 30,297.21 = 11,882.96 : x
  2. Step 2: Convert to fraction form
    21,954.53/30,297.21 = 11,882.96/x
  3. Step 3: Cross multiply
    21,954.53x = 30,297.21 × 11,882.96
  4. Step 4: Simplify right side
    21,954.53x = 360,020,610.28
  5. Step 5: Solve for x
    x = 360,020,610.28/21,954.53
  6. Step 6: Final answer
    x = 16,398.47

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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.