Home / 12,792.60-19,203.30-9,883.80

Finding the Fourth Proportional to 12,792.60, 19,203.30 and 9,883.80

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Solution

The fourth proportional to 12,792.60, 19,203.30 and 9,883.80 is: 14,836.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,792.60 : 19,203.30 = 9,883.80 : x
  2. Step 2: Convert to fraction form
    12,792.60/19,203.30 = 9,883.80/x
  3. Step 3: Cross multiply
    12,792.60x = 19,203.30 × 9,883.80
  4. Step 4: Simplify right side
    12,792.60x = 189,801,576.54
  5. Step 5: Solve for x
    x = 189,801,576.54/12,792.60
  6. Step 6: Final answer
    x = 14,836.83

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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.