Home / 13,867.56-20,791.62-5,101.34

Finding the Fourth Proportional to 13,867.56, 20,791.62 and 5,101.34

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Solution

The fourth proportional to 13,867.56, 20,791.62 and 5,101.34 is: 7,648.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,867.56 : 20,791.62 = 5,101.34 : x
  2. Step 2: Convert to fraction form
    13,867.56/20,791.62 = 5,101.34/x
  3. Step 3: Cross multiply
    13,867.56x = 20,791.62 × 5,101.34
  4. Step 4: Simplify right side
    13,867.56x = 106,065,018.81
  5. Step 5: Solve for x
    x = 106,065,018.81/13,867.56
  6. Step 6: Final answer
    x = 7,648.43

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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.