Home / 16,845.78-25,277.82-6,991.83

Finding the Fourth Proportional to 16,845.78, 25,277.82 and 6,991.83

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Solution

The fourth proportional to 16,845.78, 25,277.82 and 6,991.83 is: 10,491.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,845.78 : 25,277.82 = 6,991.83 : x
  2. Step 2: Convert to fraction form
    16,845.78/25,277.82 = 6,991.83/x
  3. Step 3: Cross multiply
    16,845.78x = 25,277.82 × 6,991.83
  4. Step 4: Simplify right side
    16,845.78x = 176,738,220.21
  5. Step 5: Solve for x
    x = 176,738,220.21/16,845.78
  6. Step 6: Final answer
    x = 10,491.54

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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.