Home / 11,923.78-17,885.94-4,531.72

Finding the Fourth Proportional to 11,923.78, 17,885.94 and 4,531.72

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Solution

The fourth proportional to 11,923.78, 17,885.94 and 4,531.72 is: 6,797.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,923.78 : 17,885.94 = 4,531.72 : x
  2. Step 2: Convert to fraction form
    11,923.78/17,885.94 = 4,531.72/x
  3. Step 3: Cross multiply
    11,923.78x = 17,885.94 × 4,531.72
  4. Step 4: Simplify right side
    11,923.78x = 81,054,072.02
  5. Step 5: Solve for x
    x = 81,054,072.02/11,923.78
  6. Step 6: Final answer
    x = 6,797.68

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1.5x scale

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.