Home / 10,721.78-14,795.31-6,005.96

Finding the Fourth Proportional to 10,721.78, 14,795.31 and 6,005.96

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Solution

The fourth proportional to 10,721.78, 14,795.31 and 6,005.96 is: 8,287.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,721.78 : 14,795.31 = 6,005.96 : x
  2. Step 2: Convert to fraction form
    10,721.78/14,795.31 = 6,005.96/x
  3. Step 3: Cross multiply
    10,721.78x = 14,795.31 × 6,005.96
  4. Step 4: Simplify right side
    10,721.78x = 88,860,040.05
  5. Step 5: Solve for x
    x = 88,860,040.05/10,721.78
  6. Step 6: Final answer
    x = 8,287.81

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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.