Home / 20,019.82-30,047.92-10,667.66

Finding the Fourth Proportional to 20,019.82, 30,047.92 and 10,667.66

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Solution

The fourth proportional to 20,019.82, 30,047.92 and 10,667.66 is: 16,011.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,019.82 : 30,047.92 = 10,667.66 : x
  2. Step 2: Convert to fraction form
    20,019.82/30,047.92 = 10,667.66/x
  3. Step 3: Cross multiply
    20,019.82x = 30,047.92 × 10,667.66
  4. Step 4: Simplify right side
    20,019.82x = 320,540,994.27
  5. Step 5: Solve for x
    x = 320,540,994.27/20,019.82
  6. Step 6: Final answer
    x = 16,011.18

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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.