Home / 13,297.36-19,945.68-3,436.60

Finding the Fourth Proportional to 13,297.36, 19,945.68 and 3,436.60

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Solution

The fourth proportional to 13,297.36, 19,945.68 and 3,436.60 is: 5,154.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,297.36 : 19,945.68 = 3,436.60 : x
  2. Step 2: Convert to fraction form
    13,297.36/19,945.68 = 3,436.60/x
  3. Step 3: Cross multiply
    13,297.36x = 19,945.68 × 3,436.60
  4. Step 4: Simplify right side
    13,297.36x = 68,545,323.89
  5. Step 5: Solve for x
    x = 68,545,323.89/13,297.36
  6. Step 6: Final answer
    x = 5,154.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.