Home / 13,067.44-18,032.92-7,402.04

Finding the Fourth Proportional to 13,067.44, 18,032.92 and 7,402.04

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Solution

The fourth proportional to 13,067.44, 18,032.92 and 7,402.04 is: 10,214.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,067.44 : 18,032.92 = 7,402.04 : x
  2. Step 2: Convert to fraction form
    13,067.44/18,032.92 = 7,402.04/x
  3. Step 3: Cross multiply
    13,067.44x = 18,032.92 × 7,402.04
  4. Step 4: Simplify right side
    13,067.44x = 133,480,395.16
  5. Step 5: Solve for x
    x = 133,480,395.16/13,067.44
  6. Step 6: Final answer
    x = 10,214.73

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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.