Home / 19,018.40-26,241.18-11,942.24

Finding the Fourth Proportional to 19,018.40, 26,241.18 and 11,942.24

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Solution

The fourth proportional to 19,018.40, 26,241.18 and 11,942.24 is: 16,477.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,018.40 : 26,241.18 = 11,942.24 : x
  2. Step 2: Convert to fraction form
    19,018.40/26,241.18 = 11,942.24/x
  3. Step 3: Cross multiply
    19,018.40x = 26,241.18 × 11,942.24
  4. Step 4: Simplify right side
    19,018.40x = 313,378,469.44
  5. Step 5: Solve for x
    x = 313,378,469.44/19,018.40
  6. Step 6: Final answer
    x = 16,477.65

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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.