Home / 13,076.83-19,579.30-9,132.03

Finding the Fourth Proportional to 13,076.83, 19,579.30 and 9,132.03

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Solution

The fourth proportional to 13,076.83, 19,579.30 and 9,132.03 is: 13,672.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,076.83 : 19,579.30 = 9,132.03 : x
  2. Step 2: Convert to fraction form
    13,076.83/19,579.30 = 9,132.03/x
  3. Step 3: Cross multiply
    13,076.83x = 19,579.30 × 9,132.03
  4. Step 4: Simplify right side
    13,076.83x = 178,798,754.98
  5. Step 5: Solve for x
    x = 178,798,754.98/13,076.83
  6. Step 6: Final answer
    x = 13,672.94

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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.