Home / 11,910.92-16,436.30-6,605.37

Finding the Fourth Proportional to 11,910.92, 16,436.30 and 6,605.37

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Solution

The fourth proportional to 11,910.92, 16,436.30 and 6,605.37 is: 9,114.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,910.92 : 16,436.30 = 6,605.37 : x
  2. Step 2: Convert to fraction form
    11,910.92/16,436.30 = 6,605.37/x
  3. Step 3: Cross multiply
    11,910.92x = 16,436.30 × 6,605.37
  4. Step 4: Simplify right side
    11,910.92x = 108,567,809.90
  5. Step 5: Solve for x
    x = 108,567,809.90/11,910.92
  6. Step 6: Final answer
    x = 9,114.98

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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.