Home / 21,954.24-30,297.04-12,523.28

Finding the Fourth Proportional to 21,954.24, 30,297.04 and 12,523.28

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Solution

The fourth proportional to 21,954.24, 30,297.04 and 12,523.28 is: 17,282.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,954.24 : 30,297.04 = 12,523.28 : x
  2. Step 2: Convert to fraction form
    21,954.24/30,297.04 = 12,523.28/x
  3. Step 3: Cross multiply
    21,954.24x = 30,297.04 × 12,523.28
  4. Step 4: Simplify right side
    21,954.24x = 379,418,315.09
  5. Step 5: Solve for x
    x = 379,418,315.09/21,954.24
  6. Step 6: Final answer
    x = 17,282.23

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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.