Home / 13,997.58-20,994.56-4,137.90

Finding the Fourth Proportional to 13,997.58, 20,994.56 and 4,137.90

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Solution

The fourth proportional to 13,997.58, 20,994.56 and 4,137.90 is: 6,206.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,997.58 : 20,994.56 = 4,137.90 : x
  2. Step 2: Convert to fraction form
    13,997.58/20,994.56 = 4,137.90/x
  3. Step 3: Cross multiply
    13,997.58x = 20,994.56 × 4,137.90
  4. Step 4: Simplify right side
    13,997.58x = 86,873,389.82
  5. Step 5: Solve for x
    x = 86,873,389.82/13,997.58
  6. Step 6: Final answer
    x = 6,206.31

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1.5x scale

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.