Home / 11,267.36-16,903.06-3,869.90

Finding the Fourth Proportional to 11,267.36, 16,903.06 and 3,869.90

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Solution

The fourth proportional to 11,267.36, 16,903.06 and 3,869.90 is: 5,805.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,267.36 : 16,903.06 = 3,869.90 : x
  2. Step 2: Convert to fraction form
    11,267.36/16,903.06 = 3,869.90/x
  3. Step 3: Cross multiply
    11,267.36x = 16,903.06 × 3,869.90
  4. Step 4: Simplify right side
    11,267.36x = 65,413,151.89
  5. Step 5: Solve for x
    x = 65,413,151.89/11,267.36
  6. Step 6: Final answer
    x = 5,805.54

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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.