Home / 12,835.26-19,257.66-7,847.87

Finding the Fourth Proportional to 12,835.26, 19,257.66 and 7,847.87

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Solution

The fourth proportional to 12,835.26, 19,257.66 and 7,847.87 is: 11,774.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,835.26 : 19,257.66 = 7,847.87 : x
  2. Step 2: Convert to fraction form
    12,835.26/19,257.66 = 7,847.87/x
  3. Step 3: Cross multiply
    12,835.26x = 19,257.66 × 7,847.87
  4. Step 4: Simplify right side
    12,835.26x = 151,131,515.90
  5. Step 5: Solve for x
    x = 151,131,515.90/12,835.26
  6. Step 6: Final answer
    x = 11,774.71

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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.