Home / 11,266.65-16,900.37-3,871.06

Finding the Fourth Proportional to 11,266.65, 16,900.37 and 3,871.06

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Solution

The fourth proportional to 11,266.65, 16,900.37 and 3,871.06 is: 5,806.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,266.65 : 16,900.37 = 3,871.06 : x
  2. Step 2: Convert to fraction form
    11,266.65/16,900.37 = 3,871.06/x
  3. Step 3: Cross multiply
    11,266.65x = 16,900.37 × 3,871.06
  4. Step 4: Simplify right side
    11,266.65x = 65,422,346.29
  5. Step 5: Solve for x
    x = 65,422,346.29/11,266.65
  6. Step 6: Final answer
    x = 5,806.73

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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.