Home / 11,242.06-16,860.92-3,448.78

Finding the Fourth Proportional to 11,242.06, 16,860.92 and 3,448.78

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Solution

The fourth proportional to 11,242.06, 16,860.92 and 3,448.78 is: 5,172.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,242.06 : 16,860.92 = 3,448.78 : x
  2. Step 2: Convert to fraction form
    11,242.06/16,860.92 = 3,448.78/x
  3. Step 3: Cross multiply
    11,242.06x = 16,860.92 × 3,448.78
  4. Step 4: Simplify right side
    11,242.06x = 58,149,603.68
  5. Step 5: Solve for x
    x = 58,149,603.68/11,242.06
  6. Step 6: Final answer
    x = 5,172.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.