Home / 13,314.90-19,968.60-3,954.54

Finding the Fourth Proportional to 13,314.90, 19,968.60 and 3,954.54

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Solution

The fourth proportional to 13,314.90, 19,968.60 and 3,954.54 is: 5,930.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,314.90 : 19,968.60 = 3,954.54 : x
  2. Step 2: Convert to fraction form
    13,314.90/19,968.60 = 3,954.54/x
  3. Step 3: Cross multiply
    13,314.90x = 19,968.60 × 3,954.54
  4. Step 4: Simplify right side
    13,314.90x = 78,966,627.44
  5. Step 5: Solve for x
    x = 78,966,627.44/13,314.90
  6. Step 6: Final answer
    x = 5,930.70

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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.