Home / 11,149.06-16,712.35-6,992.01

Finding the Fourth Proportional to 11,149.06, 16,712.35 and 6,992.01

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Solution

The fourth proportional to 11,149.06, 16,712.35 and 6,992.01 is: 10,480.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,149.06 : 16,712.35 = 6,992.01 : x
  2. Step 2: Convert to fraction form
    11,149.06/16,712.35 = 6,992.01/x
  3. Step 3: Cross multiply
    11,149.06x = 16,712.35 × 6,992.01
  4. Step 4: Simplify right side
    11,149.06x = 116,852,918.32
  5. Step 5: Solve for x
    x = 116,852,918.32/11,149.06
  6. Step 6: Final answer
    x = 10,480.97

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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.