Home / 11,291.24-16,936.06-3,895.40

Finding the Fourth Proportional to 11,291.24, 16,936.06 and 3,895.40

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Solution

The fourth proportional to 11,291.24, 16,936.06 and 3,895.40 is: 5,842.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,291.24 : 16,936.06 = 3,895.40 : x
  2. Step 2: Convert to fraction form
    11,291.24/16,936.06 = 3,895.40/x
  3. Step 3: Cross multiply
    11,291.24x = 16,936.06 × 3,895.40
  4. Step 4: Simplify right side
    11,291.24x = 65,972,728.12
  5. Step 5: Solve for x
    x = 65,972,728.12/11,291.24
  6. Step 6: Final answer
    x = 5,842.82

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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.