Home / 20,667.96-30,997.22-5,873.21

Finding the Fourth Proportional to 20,667.96, 30,997.22 and 5,873.21

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Solution

The fourth proportional to 20,667.96, 30,997.22 and 5,873.21 is: 8,808.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,667.96 : 30,997.22 = 5,873.21 : x
  2. Step 2: Convert to fraction form
    20,667.96/30,997.22 = 5,873.21/x
  3. Step 3: Cross multiply
    20,667.96x = 30,997.22 × 5,873.21
  4. Step 4: Simplify right side
    20,667.96x = 182,053,027.49
  5. Step 5: Solve for x
    x = 182,053,027.49/20,667.96
  6. Step 6: Final answer
    x = 8,808.47

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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.