Home / 11,929.32-17,892.61-3,164.92

Finding the Fourth Proportional to 11,929.32, 17,892.61 and 3,164.92

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Solution

The fourth proportional to 11,929.32, 17,892.61 and 3,164.92 is: 4,747.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929.32 : 17,892.61 = 3,164.92 : x
  2. Step 2: Convert to fraction form
    11,929.32/17,892.61 = 3,164.92/x
  3. Step 3: Cross multiply
    11,929.32x = 17,892.61 × 3,164.92
  4. Step 4: Simplify right side
    11,929.32x = 56,628,626.60
  5. Step 5: Solve for x
    x = 56,628,626.60/11,929.32
  6. Step 6: Final answer
    x = 4,747.01

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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.