Home / 11,867.60-17,795.38-3,967.28

Finding the Fourth Proportional to 11,867.60, 17,795.38 and 3,967.28

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Solution

The fourth proportional to 11,867.60, 17,795.38 and 3,967.28 is: 5,948.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,867.60 : 17,795.38 = 3,967.28 : x
  2. Step 2: Convert to fraction form
    11,867.60/17,795.38 = 3,967.28/x
  3. Step 3: Cross multiply
    11,867.60x = 17,795.38 × 3,967.28
  4. Step 4: Simplify right side
    11,867.60x = 70,599,255.17
  5. Step 5: Solve for x
    x = 70,599,255.17/11,867.60
  6. Step 6: Final answer
    x = 5,948.91

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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.