Home / 13,227.36-18,249.60-9,028.32

Finding the Fourth Proportional to 13,227.36, 18,249.60 and 9,028.32

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Solution

The fourth proportional to 13,227.36, 18,249.60 and 9,028.32 is: 12,456.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,227.36 : 18,249.60 = 9,028.32 : x
  2. Step 2: Convert to fraction form
    13,227.36/18,249.60 = 9,028.32/x
  3. Step 3: Cross multiply
    13,227.36x = 18,249.60 × 9,028.32
  4. Step 4: Simplify right side
    13,227.36x = 164,763,228.67
  5. Step 5: Solve for x
    x = 164,763,228.67/13,227.36
  6. Step 6: Final answer
    x = 12,456.24

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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.