Home / 11,923.70-16,453.49-6,889.53

Finding the Fourth Proportional to 11,923.70, 16,453.49 and 6,889.53

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Solution

The fourth proportional to 11,923.70, 16,453.49 and 6,889.53 is: 9,506.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,923.70 : 16,453.49 = 6,889.53 : x
  2. Step 2: Convert to fraction form
    11,923.70/16,453.49 = 6,889.53/x
  3. Step 3: Cross multiply
    11,923.70x = 16,453.49 × 6,889.53
  4. Step 4: Simplify right side
    11,923.70x = 113,356,778.51
  5. Step 5: Solve for x
    x = 113,356,778.51/11,923.70
  6. Step 6: Final answer
    x = 9,506.85

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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.