Home / 13,268.78-19,903.17-5,469.02

Finding the Fourth Proportional to 13,268.78, 19,903.17 and 5,469.02

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Solution

The fourth proportional to 13,268.78, 19,903.17 and 5,469.02 is: 8,203.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268.78 : 19,903.17 = 5,469.02 : x
  2. Step 2: Convert to fraction form
    13,268.78/19,903.17 = 5,469.02/x
  3. Step 3: Cross multiply
    13,268.78x = 19,903.17 × 5,469.02
  4. Step 4: Simplify right side
    13,268.78x = 108,850,834.79
  5. Step 5: Solve for x
    x = 108,850,834.79/13,268.78
  6. Step 6: Final answer
    x = 8,203.53

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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.