Home / 13,197.03-19,795.62-4,431.95

Finding the Fourth Proportional to 13,197.03, 19,795.62 and 4,431.95

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Solution

The fourth proportional to 13,197.03, 19,795.62 and 4,431.95 is: 6,647.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,197.03 : 19,795.62 = 4,431.95 : x
  2. Step 2: Convert to fraction form
    13,197.03/19,795.62 = 4,431.95/x
  3. Step 3: Cross multiply
    13,197.03x = 19,795.62 × 4,431.95
  4. Step 4: Simplify right side
    13,197.03x = 87,733,099.08
  5. Step 5: Solve for x
    x = 87,733,099.08/13,197.03
  6. Step 6: Final answer
    x = 6,647.94

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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.