Home / 18,358.36-25,338.62-10,404.97

Finding the Fourth Proportional to 18,358.36, 25,338.62 and 10,404.97

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Solution

The fourth proportional to 18,358.36, 25,338.62 and 10,404.97 is: 14,361.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,358.36 : 25,338.62 = 10,404.97 : x
  2. Step 2: Convert to fraction form
    18,358.36/25,338.62 = 10,404.97/x
  3. Step 3: Cross multiply
    18,358.36x = 25,338.62 × 10,404.97
  4. Step 4: Simplify right side
    18,358.36x = 263,647,580.94
  5. Step 5: Solve for x
    x = 263,647,580.94/18,358.36
  6. Step 6: Final answer
    x = 14,361.17

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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.