Home / 18,516.89-27,768.25-6,667.27

Finding the Fourth Proportional to 18,516.89, 27,768.25 and 6,667.27

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Solution

The fourth proportional to 18,516.89, 27,768.25 and 6,667.27 is: 9,998.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,516.89 : 27,768.25 = 6,667.27 : x
  2. Step 2: Convert to fraction form
    18,516.89/27,768.25 = 6,667.27/x
  3. Step 3: Cross multiply
    18,516.89x = 27,768.25 × 6,667.27
  4. Step 4: Simplify right side
    18,516.89x = 185,138,248.00
  5. Step 5: Solve for x
    x = 185,138,248.00/18,516.89
  6. Step 6: Final answer
    x = 9,998.34

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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.