Home / 13,268.44-19,899.67-3,909.10

Finding the Fourth Proportional to 13,268.44, 19,899.67 and 3,909.10

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Solution

The fourth proportional to 13,268.44, 19,899.67 and 3,909.10 is: 5,862.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268.44 : 19,899.67 = 3,909.10 : x
  2. Step 2: Convert to fraction form
    13,268.44/19,899.67 = 3,909.10/x
  3. Step 3: Cross multiply
    13,268.44x = 19,899.67 × 3,909.10
  4. Step 4: Simplify right side
    13,268.44x = 77,789,800.00
  5. Step 5: Solve for x
    x = 77,789,800.00/13,268.44
  6. Step 6: Final answer
    x = 5,862.77

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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.