Home / 13,270.80-19,906.20-7,365.90

Finding the Fourth Proportional to 13,270.80, 19,906.20 and 7,365.90

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Solution

The fourth proportional to 13,270.80, 19,906.20 and 7,365.90 is: 11,048.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270.80 : 19,906.20 = 7,365.90 : x
  2. Step 2: Convert to fraction form
    13,270.80/19,906.20 = 7,365.90/x
  3. Step 3: Cross multiply
    13,270.80x = 19,906.20 × 7,365.90
  4. Step 4: Simplify right side
    13,270.80x = 146,627,078.58
  5. Step 5: Solve for x
    x = 146,627,078.58/13,270.80
  6. Step 6: Final answer
    x = 11,048.85

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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.