Home / 11,433.98-17,155.22-4,865.28

Finding the Fourth Proportional to 11,433.98, 17,155.22 and 4,865.28

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Solution

The fourth proportional to 11,433.98, 17,155.22 and 4,865.28 is: 7,299.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,433.98 : 17,155.22 = 4,865.28 : x
  2. Step 2: Convert to fraction form
    11,433.98/17,155.22 = 4,865.28/x
  3. Step 3: Cross multiply
    11,433.98x = 17,155.22 × 4,865.28
  4. Step 4: Simplify right side
    11,433.98x = 83,464,924.44
  5. Step 5: Solve for x
    x = 83,464,924.44/11,433.98
  6. Step 6: Final answer
    x = 7,299.73

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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.