Home / 11,867.25-17,809.64-5,627.28

Finding the Fourth Proportional to 11,867.25, 17,809.64 and 5,627.28

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Solution

The fourth proportional to 11,867.25, 17,809.64 and 5,627.28 is: 8,445.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,867.25 : 17,809.64 = 5,627.28 : x
  2. Step 2: Convert to fraction form
    11,867.25/17,809.64 = 5,627.28/x
  3. Step 3: Cross multiply
    11,867.25x = 17,809.64 × 5,627.28
  4. Step 4: Simplify right side
    11,867.25x = 100,219,890.73
  5. Step 5: Solve for x
    x = 100,219,890.73/11,867.25
  6. Step 6: Final answer
    x = 8,445.08

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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.