Home / 18,579.03-27,869.09-8,722.95

Finding the Fourth Proportional to 18,579.03, 27,869.09 and 8,722.95

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Solution

The fourth proportional to 18,579.03, 27,869.09 and 8,722.95 is: 13,084.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,579.03 : 27,869.09 = 8,722.95 : x
  2. Step 2: Convert to fraction form
    18,579.03/27,869.09 = 8,722.95/x
  3. Step 3: Cross multiply
    18,579.03x = 27,869.09 × 8,722.95
  4. Step 4: Simplify right side
    18,579.03x = 243,100,635.00
  5. Step 5: Solve for x
    x = 243,100,635.00/18,579.03
  6. Step 6: Final answer
    x = 13,084.68

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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.