Home / 11,839.37-16,339.62-6,803.80

Finding the Fourth Proportional to 11,839.37, 16,339.62 and 6,803.80

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Solution

The fourth proportional to 11,839.37, 16,339.62 and 6,803.80 is: 9,389.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,839.37 : 16,339.62 = 6,803.80 : x
  2. Step 2: Convert to fraction form
    11,839.37/16,339.62 = 6,803.80/x
  3. Step 3: Cross multiply
    11,839.37x = 16,339.62 × 6,803.80
  4. Step 4: Simplify right side
    11,839.37x = 111,171,491.22
  5. Step 5: Solve for x
    x = 111,171,491.22/11,839.37
  6. Step 6: Final answer
    x = 9,389.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.