Home / 11,683.26-16,123.36-6,647.94

Finding the Fourth Proportional to 11,683.26, 16,123.36 and 6,647.94

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Solution

The fourth proportional to 11,683.26, 16,123.36 and 6,647.94 is: 9,174.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,683.26 : 16,123.36 = 6,647.94 : x
  2. Step 2: Convert to fraction form
    11,683.26/16,123.36 = 6,647.94/x
  3. Step 3: Cross multiply
    11,683.26x = 16,123.36 × 6,647.94
  4. Step 4: Simplify right side
    11,683.26x = 107,187,129.88
  5. Step 5: Solve for x
    x = 107,187,129.88/11,683.26
  6. Step 6: Final answer
    x = 9,174.42

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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.