Home / 17,930.07-26,899.36-11,361.78

Finding the Fourth Proportional to 17,930.07, 26,899.36 and 11,361.78

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Solution

The fourth proportional to 17,930.07, 26,899.36 and 11,361.78 is: 17,045.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,930.07 : 26,899.36 = 11,361.78 : x
  2. Step 2: Convert to fraction form
    17,930.07/26,899.36 = 11,361.78/x
  3. Step 3: Cross multiply
    17,930.07x = 26,899.36 × 11,361.78
  4. Step 4: Simplify right side
    17,930.07x = 305,624,582.06
  5. Step 5: Solve for x
    x = 305,624,582.06/17,930.07
  6. Step 6: Final answer
    x = 17,045.36

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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.