Home / 11,789.65-16,261.19-7,481.26

Finding the Fourth Proportional to 11,789.65, 16,261.19 and 7,481.26

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Solution

The fourth proportional to 11,789.65, 16,261.19 and 7,481.26 is: 10,318.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,789.65 : 16,261.19 = 7,481.26 : x
  2. Step 2: Convert to fraction form
    11,789.65/16,261.19 = 7,481.26/x
  3. Step 3: Cross multiply
    11,789.65x = 16,261.19 × 7,481.26
  4. Step 4: Simplify right side
    11,789.65x = 121,654,071.59
  5. Step 5: Solve for x
    x = 121,654,071.59/11,789.65
  6. Step 6: Final answer
    x = 10,318.72

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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.