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Finding the Fourth Proportional to 17,846.85, 26,759.48 and 7,984.29

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Solution

The fourth proportional to 17,846.85, 26,759.48 and 7,984.29 is: 11,971.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,846.85 : 26,759.48 = 7,984.29 : x
  2. Step 2: Convert to fraction form
    17,846.85/26,759.48 = 7,984.29/x
  3. Step 3: Cross multiply
    17,846.85x = 26,759.48 × 7,984.29
  4. Step 4: Simplify right side
    17,846.85x = 213,655,408.65
  5. Step 5: Solve for x
    x = 213,655,408.65/17,846.85
  6. Step 6: Final answer
    x = 11,971.60

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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.