Home / 11,845-16,346.91-6,539.91

Finding the Fourth Proportional to 11,845, 16,346.91 and 6,539.91

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Solution

The fourth proportional to 11,845, 16,346.91 and 6,539.91 is: 9,025.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,845 : 16,346.91 = 6,539.91 : x
  2. Step 2: Convert to fraction form
    11,845/16,346.91 = 6,539.91/x
  3. Step 3: Cross multiply
    11,845x = 16,346.91 × 6,539.91
  4. Step 4: Simplify right side
    11,845x = 106,907,320.18
  5. Step 5: Solve for x
    x = 106,907,320.18/11,845
  6. Step 6: Final answer
    x = 9,025.52

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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.