Home / 12,667.22-19,010.57-12,016.82

Finding the Fourth Proportional to 12,667.22, 19,010.57 and 12,016.82

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Solution

The fourth proportional to 12,667.22, 19,010.57 and 12,016.82 is: 18,034.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,667.22 : 19,010.57 = 12,016.82 : x
  2. Step 2: Convert to fraction form
    12,667.22/19,010.57 = 12,016.82/x
  3. Step 3: Cross multiply
    12,667.22x = 19,010.57 × 12,016.82
  4. Step 4: Simplify right side
    12,667.22x = 228,446,442.65
  5. Step 5: Solve for x
    x = 228,446,442.65/12,667.22
  6. Step 6: Final answer
    x = 18,034.45

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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.