Home / 19,949.21-27,529.57-10,997.55

Finding the Fourth Proportional to 19,949.21, 27,529.57 and 10,997.55

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Solution

The fourth proportional to 19,949.21, 27,529.57 and 10,997.55 is: 15,176.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,949.21 : 27,529.57 = 10,997.55 : x
  2. Step 2: Convert to fraction form
    19,949.21/27,529.57 = 10,997.55/x
  3. Step 3: Cross multiply
    19,949.21x = 27,529.57 × 10,997.55
  4. Step 4: Simplify right side
    19,949.21x = 302,757,758.87
  5. Step 5: Solve for x
    x = 302,757,758.87/19,949.21
  6. Step 6: Final answer
    x = 15,176.43

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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.