Home / 17,939.63-26,916.27-8,076.64

Finding the Fourth Proportional to 17,939.63, 26,916.27 and 8,076.64

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Solution

The fourth proportional to 17,939.63, 26,916.27 and 8,076.64 is: 12,118.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,939.63 : 26,916.27 = 8,076.64 : x
  2. Step 2: Convert to fraction form
    17,939.63/26,916.27 = 8,076.64/x
  3. Step 3: Cross multiply
    17,939.63x = 26,916.27 × 8,076.64
  4. Step 4: Simplify right side
    17,939.63x = 217,392,968.27
  5. Step 5: Solve for x
    x = 217,392,968.27/17,939.63
  6. Step 6: Final answer
    x = 12,118.03

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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.