Home / 13,906.06-19,175.97-9,661.93

Finding the Fourth Proportional to 13,906.06, 19,175.97 and 9,661.93

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Solution

The fourth proportional to 13,906.06, 19,175.97 and 9,661.93 is: 13,323.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,906.06 : 19,175.97 = 9,661.93 : x
  2. Step 2: Convert to fraction form
    13,906.06/19,175.97 = 9,661.93/x
  3. Step 3: Cross multiply
    13,906.06x = 19,175.97 × 9,661.93
  4. Step 4: Simplify right side
    13,906.06x = 185,276,879.82
  5. Step 5: Solve for x
    x = 185,276,879.82/13,906.06
  6. Step 6: Final answer
    x = 13,323.46

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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.