Home / 13,067.53-18,032.91-7,099.36

Finding the Fourth Proportional to 13,067.53, 18,032.91 and 7,099.36

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Solution

The fourth proportional to 13,067.53, 18,032.91 and 7,099.36 is: 9,796.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,067.53 : 18,032.91 = 7,099.36 : x
  2. Step 2: Convert to fraction form
    13,067.53/18,032.91 = 7,099.36/x
  3. Step 3: Cross multiply
    13,067.53x = 18,032.91 × 7,099.36
  4. Step 4: Simplify right side
    13,067.53x = 128,022,119.94
  5. Step 5: Solve for x
    x = 128,022,119.94/13,067.53
  6. Step 6: Final answer
    x = 9,796.96

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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.