Home / 13,197.90-19,778.52-6,170.34

Finding the Fourth Proportional to 13,197.90, 19,778.52 and 6,170.34

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Solution

The fourth proportional to 13,197.90, 19,778.52 and 6,170.34 is: 9,246.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,197.90 : 19,778.52 = 6,170.34 : x
  2. Step 2: Convert to fraction form
    13,197.90/19,778.52 = 6,170.34/x
  3. Step 3: Cross multiply
    13,197.90x = 19,778.52 × 6,170.34
  4. Step 4: Simplify right side
    13,197.90x = 122,040,193.10
  5. Step 5: Solve for x
    x = 122,040,193.10/13,197.90
  6. Step 6: Final answer
    x = 9,246.94

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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.