Home / 10,481.06-15,721.63-6,577.27

Finding the Fourth Proportional to 10,481.06, 15,721.63 and 6,577.27

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Solution

The fourth proportional to 10,481.06, 15,721.63 and 6,577.27 is: 9,865.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,481.06 : 15,721.63 = 6,577.27 : x
  2. Step 2: Convert to fraction form
    10,481.06/15,721.63 = 6,577.27/x
  3. Step 3: Cross multiply
    10,481.06x = 15,721.63 × 6,577.27
  4. Step 4: Simplify right side
    10,481.06x = 103,405,405.35
  5. Step 5: Solve for x
    x = 103,405,405.35/10,481.06
  6. Step 6: Final answer
    x = 9,865.93

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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.