Home / 11,258.21-16,881.80-6,579.39

Finding the Fourth Proportional to 11,258.21, 16,881.80 and 6,579.39

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Solution

The fourth proportional to 11,258.21, 16,881.80 and 6,579.39 is: 9,865.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,258.21 : 16,881.80 = 6,579.39 : x
  2. Step 2: Convert to fraction form
    11,258.21/16,881.80 = 6,579.39/x
  3. Step 3: Cross multiply
    11,258.21x = 16,881.80 × 6,579.39
  4. Step 4: Simplify right side
    11,258.21x = 111,072,013.52
  5. Step 5: Solve for x
    x = 111,072,013.52/11,258.21
  6. Step 6: Final answer
    x = 9,865.87

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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.