Home / 16,844.70-25,230.60-10,939.80

Finding the Fourth Proportional to 16,844.70, 25,230.60 and 10,939.80

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Solution

The fourth proportional to 16,844.70, 25,230.60 and 10,939.80 is: 16,386.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,844.70 : 25,230.60 = 10,939.80 : x
  2. Step 2: Convert to fraction form
    16,844.70/25,230.60 = 10,939.80/x
  3. Step 3: Cross multiply
    16,844.70x = 25,230.60 × 10,939.80
  4. Step 4: Simplify right side
    16,844.70x = 276,017,717.88
  5. Step 5: Solve for x
    x = 276,017,717.88/16,844.70
  6. Step 6: Final answer
    x = 16,386.03

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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.