Home / 11,911.92-16,437.67-6,606.37

Finding the Fourth Proportional to 11,911.92, 16,437.67 and 6,606.37

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Solution

The fourth proportional to 11,911.92, 16,437.67 and 6,606.37 is: 9,116.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,911.92 : 16,437.67 = 6,606.37 : x
  2. Step 2: Convert to fraction form
    11,911.92/16,437.67 = 6,606.37/x
  3. Step 3: Cross multiply
    11,911.92x = 16,437.67 × 6,606.37
  4. Step 4: Simplify right side
    11,911.92x = 108,593,329.96
  5. Step 5: Solve for x
    x = 108,593,329.96/11,911.92
  6. Step 6: Final answer
    x = 9,116.36

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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.