Home / 17,515.14-26,258.85-8,745.54

Finding the Fourth Proportional to 17,515.14, 26,258.85 and 8,745.54

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Solution

The fourth proportional to 17,515.14, 26,258.85 and 8,745.54 is: 13,111.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,515.14 : 26,258.85 = 8,745.54 : x
  2. Step 2: Convert to fraction form
    17,515.14/26,258.85 = 8,745.54/x
  3. Step 3: Cross multiply
    17,515.14x = 26,258.85 × 8,745.54
  4. Step 4: Simplify right side
    17,515.14x = 229,647,823.03
  5. Step 5: Solve for x
    x = 229,647,823.03/17,515.14
  6. Step 6: Final answer
    x = 13,111.39

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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.