Home / 11,605.06-16,007.70-6,886

Finding the Fourth Proportional to 11,605.06, 16,007.70 and 6,886

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Solution

The fourth proportional to 11,605.06, 16,007.70 and 6,886 is: 9,498.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,605.06 : 16,007.70 = 6,886 : x
  2. Step 2: Convert to fraction form
    11,605.06/16,007.70 = 6,886/x
  3. Step 3: Cross multiply
    11,605.06x = 16,007.70 × 6,886
  4. Step 4: Simplify right side
    11,605.06x = 110,229,022.20
  5. Step 5: Solve for x
    x = 110,229,022.20/11,605.06
  6. Step 6: Final answer
    x = 9,498.36

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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.