Home / 11,238.42-16,859.79-3,448.38

Finding the Fourth Proportional to 11,238.42, 16,859.79 and 3,448.38

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Solution

The fourth proportional to 11,238.42, 16,859.79 and 3,448.38 is: 5,173.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,238.42 : 16,859.79 = 3,448.38 : x
  2. Step 2: Convert to fraction form
    11,238.42/16,859.79 = 3,448.38/x
  3. Step 3: Cross multiply
    11,238.42x = 16,859.79 × 3,448.38
  4. Step 4: Simplify right side
    11,238.42x = 58,138,962.64
  5. Step 5: Solve for x
    x = 58,138,962.64/11,238.42
  6. Step 6: Final answer
    x = 5,173.23

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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.