Home / 13,788.62-19,029.84-12,944.06

Finding the Fourth Proportional to 13,788.62, 19,029.84 and 12,944.06

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Solution

The fourth proportional to 13,788.62, 19,029.84 and 12,944.06 is: 17,864.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,788.62 : 19,029.84 = 12,944.06 : x
  2. Step 2: Convert to fraction form
    13,788.62/19,029.84 = 12,944.06/x
  3. Step 3: Cross multiply
    13,788.62x = 19,029.84 × 12,944.06
  4. Step 4: Simplify right side
    13,788.62x = 246,323,390.75
  5. Step 5: Solve for x
    x = 246,323,390.75/13,788.62
  6. Step 6: Final answer
    x = 17,864.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.