Home / 14,171.56-21,258.78-3,784.04

Finding the Fourth Proportional to 14,171.56, 21,258.78 and 3,784.04

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Solution

The fourth proportional to 14,171.56, 21,258.78 and 3,784.04 is: 5,676.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,171.56 : 21,258.78 = 3,784.04 : x
  2. Step 2: Convert to fraction form
    14,171.56/21,258.78 = 3,784.04/x
  3. Step 3: Cross multiply
    14,171.56x = 21,258.78 × 3,784.04
  4. Step 4: Simplify right side
    14,171.56x = 80,444,073.87
  5. Step 5: Solve for x
    x = 80,444,073.87/14,171.56
  6. Step 6: Final answer
    x = 5,676.44

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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.