Home / 12,319.05-18,473.79-3,997.06

Finding the Fourth Proportional to 12,319.05, 18,473.79 and 3,997.06

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Solution

The fourth proportional to 12,319.05, 18,473.79 and 3,997.06 is: 5,994.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,319.05 : 18,473.79 = 3,997.06 : x
  2. Step 2: Convert to fraction form
    12,319.05/18,473.79 = 3,997.06/x
  3. Step 3: Cross multiply
    12,319.05x = 18,473.79 × 3,997.06
  4. Step 4: Simplify right side
    12,319.05x = 73,840,847.06
  5. Step 5: Solve for x
    x = 73,840,847.06/12,319.05
  6. Step 6: Final answer
    x = 5,994.04

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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.