Home / 13,771.33-19,004.83-9,745.36

Finding the Fourth Proportional to 13,771.33, 19,004.83 and 9,745.36

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Solution

The fourth proportional to 13,771.33, 19,004.83 and 9,745.36 is: 13,448.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,771.33 : 19,004.83 = 9,745.36 : x
  2. Step 2: Convert to fraction form
    13,771.33/19,004.83 = 9,745.36/x
  3. Step 3: Cross multiply
    13,771.33x = 19,004.83 × 9,745.36
  4. Step 4: Simplify right side
    13,771.33x = 185,208,838.21
  5. Step 5: Solve for x
    x = 185,208,838.21/13,771.33
  6. Step 6: Final answer
    x = 13,448.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.