Home / 11,867.09-17,800.80-3,102

Finding the Fourth Proportional to 11,867.09, 17,800.80 and 3,102

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Solution

The fourth proportional to 11,867.09, 17,800.80 and 3,102 is: 4,653.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,867.09 : 17,800.80 = 3,102 : x
  2. Step 2: Convert to fraction form
    11,867.09/17,800.80 = 3,102/x
  3. Step 3: Cross multiply
    11,867.09x = 17,800.80 × 3,102
  4. Step 4: Simplify right side
    11,867.09x = 55,218,081.60
  5. Step 5: Solve for x
    x = 55,218,081.60/11,867.09
  6. Step 6: Final answer
    x = 4,653.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.