Home / 13,819.76-19,076.94-9,349.57

Finding the Fourth Proportional to 13,819.76, 19,076.94 and 9,349.57

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Solution

The fourth proportional to 13,819.76, 19,076.94 and 9,349.57 is: 12,906.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,819.76 : 19,076.94 = 9,349.57 : x
  2. Step 2: Convert to fraction form
    13,819.76/19,076.94 = 9,349.57/x
  3. Step 3: Cross multiply
    13,819.76x = 19,076.94 × 9,349.57
  4. Step 4: Simplify right side
    13,819.76x = 178,361,138.22
  5. Step 5: Solve for x
    x = 178,361,138.22/13,819.76
  6. Step 6: Final answer
    x = 12,906.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.