Home / 17,939.40-26,905.36-6,843.60

Finding the Fourth Proportional to 17,939.40, 26,905.36 and 6,843.60

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Solution

The fourth proportional to 17,939.40, 26,905.36 and 6,843.60 is: 10,263.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,939.40 : 26,905.36 = 6,843.60 : x
  2. Step 2: Convert to fraction form
    17,939.40/26,905.36 = 6,843.60/x
  3. Step 3: Cross multiply
    17,939.40x = 26,905.36 × 6,843.60
  4. Step 4: Simplify right side
    17,939.40x = 184,129,521.70
  5. Step 5: Solve for x
    x = 184,129,521.70/17,939.40
  6. Step 6: Final answer
    x = 10,263.97

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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.