Home / 13,889.54-20,839.18-4,029.41

Finding the Fourth Proportional to 13,889.54, 20,839.18 and 4,029.41

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Solution

The fourth proportional to 13,889.54, 20,839.18 and 4,029.41 is: 6,045.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,889.54 : 20,839.18 = 4,029.41 : x
  2. Step 2: Convert to fraction form
    13,889.54/20,839.18 = 4,029.41/x
  3. Step 3: Cross multiply
    13,889.54x = 20,839.18 × 4,029.41
  4. Step 4: Simplify right side
    13,889.54x = 83,969,475.94
  5. Step 5: Solve for x
    x = 83,969,475.94/13,889.54
  6. Step 6: Final answer
    x = 6,045.52

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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.