Home / 11,747.37-16,211.25-6,442.23

Finding the Fourth Proportional to 11,747.37, 16,211.25 and 6,442.23

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Solution

The fourth proportional to 11,747.37, 16,211.25 and 6,442.23 is: 8,890.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,747.37 : 16,211.25 = 6,442.23 : x
  2. Step 2: Convert to fraction form
    11,747.37/16,211.25 = 6,442.23/x
  3. Step 3: Cross multiply
    11,747.37x = 16,211.25 × 6,442.23
  4. Step 4: Simplify right side
    11,747.37x = 104,436,601.09
  5. Step 5: Solve for x
    x = 104,436,601.09/11,747.37
  6. Step 6: Final answer
    x = 8,890.21

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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.