Home / 13,321.62-19,984.59-6,745.14

Finding the Fourth Proportional to 13,321.62, 19,984.59 and 6,745.14

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Solution

The fourth proportional to 13,321.62, 19,984.59 and 6,745.14 is: 10,118.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,321.62 : 19,984.59 = 6,745.14 : x
  2. Step 2: Convert to fraction form
    13,321.62/19,984.59 = 6,745.14/x
  3. Step 3: Cross multiply
    13,321.62x = 19,984.59 × 6,745.14
  4. Step 4: Simplify right side
    13,321.62x = 134,798,857.39
  5. Step 5: Solve for x
    x = 134,798,857.39/13,321.62
  6. Step 6: Final answer
    x = 10,118.80

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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.