Home / 18,676.07-25,764.81-12,294.44

Finding the Fourth Proportional to 18,676.07, 25,764.81 and 12,294.44

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Solution

The fourth proportional to 18,676.07, 25,764.81 and 12,294.44 is: 16,960.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,676.07 : 25,764.81 = 12,294.44 : x
  2. Step 2: Convert to fraction form
    18,676.07/25,764.81 = 12,294.44/x
  3. Step 3: Cross multiply
    18,676.07x = 25,764.81 × 12,294.44
  4. Step 4: Simplify right side
    18,676.07x = 316,763,910.66
  5. Step 5: Solve for x
    x = 316,763,910.66/18,676.07
  6. Step 6: Final answer
    x = 16,960.95

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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.