Home / 11,644.88-16,071.04-6,609.36

Finding the Fourth Proportional to 11,644.88, 16,071.04 and 6,609.36

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Solution

The fourth proportional to 11,644.88, 16,071.04 and 6,609.36 is: 9,121.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,644.88 : 16,071.04 = 6,609.36 : x
  2. Step 2: Convert to fraction form
    11,644.88/16,071.04 = 6,609.36/x
  3. Step 3: Cross multiply
    11,644.88x = 16,071.04 × 6,609.36
  4. Step 4: Simplify right side
    11,644.88x = 106,219,288.93
  5. Step 5: Solve for x
    x = 106,219,288.93/11,644.88
  6. Step 6: Final answer
    x = 9,121.54

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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.