Home / 13,994.75-20,983.62-5,667.95

Finding the Fourth Proportional to 13,994.75, 20,983.62 and 5,667.95

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Solution

The fourth proportional to 13,994.75, 20,983.62 and 5,667.95 is: 8,498.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,994.75 : 20,983.62 = 5,667.95 : x
  2. Step 2: Convert to fraction form
    13,994.75/20,983.62 = 5,667.95/x
  3. Step 3: Cross multiply
    13,994.75x = 20,983.62 × 5,667.95
  4. Step 4: Simplify right side
    13,994.75x = 118,934,108.98
  5. Step 5: Solve for x
    x = 118,934,108.98/13,994.75
  6. Step 6: Final answer
    x = 8,498.48

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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.