Home / 13,389.16-20,084.70-4,028.44

Finding the Fourth Proportional to 13,389.16, 20,084.70 and 4,028.44

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Solution

The fourth proportional to 13,389.16, 20,084.70 and 4,028.44 is: 6,042.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,389.16 : 20,084.70 = 4,028.44 : x
  2. Step 2: Convert to fraction form
    13,389.16/20,084.70 = 4,028.44/x
  3. Step 3: Cross multiply
    13,389.16x = 20,084.70 × 4,028.44
  4. Step 4: Simplify right side
    13,389.16x = 80,910,008.87
  5. Step 5: Solve for x
    x = 80,910,008.87/13,389.16
  6. Step 6: Final answer
    x = 6,042.95

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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.