Home / 13,067.15-18,032.68-7,098.82

Finding the Fourth Proportional to 13,067.15, 18,032.68 and 7,098.82

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Solution

The fourth proportional to 13,067.15, 18,032.68 and 7,098.82 is: 9,796.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,067.15 : 18,032.68 = 7,098.82 : x
  2. Step 2: Convert to fraction form
    13,067.15/18,032.68 = 7,098.82/x
  3. Step 3: Cross multiply
    13,067.15x = 18,032.68 × 7,098.82
  4. Step 4: Simplify right side
    13,067.15x = 128,010,673.30
  5. Step 5: Solve for x
    x = 128,010,673.30/13,067.15
  6. Step 6: Final answer
    x = 9,796.38

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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.