Home / 12,837.88-19,268.16-6,269.86

Finding the Fourth Proportional to 12,837.88, 19,268.16 and 6,269.86

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Solution

The fourth proportional to 12,837.88, 19,268.16 and 6,269.86 is: 9,410.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,837.88 : 19,268.16 = 6,269.86 : x
  2. Step 2: Convert to fraction form
    12,837.88/19,268.16 = 6,269.86/x
  3. Step 3: Cross multiply
    12,837.88x = 19,268.16 × 6,269.86
  4. Step 4: Simplify right side
    12,837.88x = 120,808,665.66
  5. Step 5: Solve for x
    x = 120,808,665.66/12,837.88
  6. Step 6: Final answer
    x = 9,410.33

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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.