Home / 13,099.45-19,636.36-5,199.34

Finding the Fourth Proportional to 13,099.45, 19,636.36 and 5,199.34

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Solution

The fourth proportional to 13,099.45, 19,636.36 and 5,199.34 is: 7,793.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,099.45 : 19,636.36 = 5,199.34 : x
  2. Step 2: Convert to fraction form
    13,099.45/19,636.36 = 5,199.34/x
  3. Step 3: Cross multiply
    13,099.45x = 19,636.36 × 5,199.34
  4. Step 4: Simplify right side
    13,099.45x = 102,096,013.63
  5. Step 5: Solve for x
    x = 102,096,013.63/13,099.45
  6. Step 6: Final answer
    x = 7,793.92

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.