Home / 13,099.44-19,650.60-5,307.60

Finding the Fourth Proportional to 13,099.44, 19,650.60 and 5,307.60

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Solution

The fourth proportional to 13,099.44, 19,650.60 and 5,307.60 is: 7,961.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,099.44 : 19,650.60 = 5,307.60 : x
  2. Step 2: Convert to fraction form
    13,099.44/19,650.60 = 5,307.60/x
  3. Step 3: Cross multiply
    13,099.44x = 19,650.60 × 5,307.60
  4. Step 4: Simplify right side
    13,099.44x = 104,297,524.56
  5. Step 5: Solve for x
    x = 104,297,524.56/13,099.44
  6. Step 6: Final answer
    x = 7,961.98

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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.