Home / 13,250.02-19,874.83-3,389.22

Finding the Fourth Proportional to 13,250.02, 19,874.83 and 3,389.22

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Solution

The fourth proportional to 13,250.02, 19,874.83 and 3,389.22 is: 5,083.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250.02 : 19,874.83 = 3,389.22 : x
  2. Step 2: Convert to fraction form
    13,250.02/19,874.83 = 3,389.22/x
  3. Step 3: Cross multiply
    13,250.02x = 19,874.83 × 3,389.22
  4. Step 4: Simplify right side
    13,250.02x = 67,360,171.33
  5. Step 5: Solve for x
    x = 67,360,171.33/13,250.02
  6. Step 6: Final answer
    x = 5,083.78

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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.