Home / 18,010.33-27,016.34-12,768.82

Finding the Fourth Proportional to 18,010.33, 27,016.34 and 12,768.82

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Solution

The fourth proportional to 18,010.33, 27,016.34 and 12,768.82 is: 19,153.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,010.33 : 27,016.34 = 12,768.82 : x
  2. Step 2: Convert to fraction form
    18,010.33/27,016.34 = 12,768.82/x
  3. Step 3: Cross multiply
    18,010.33x = 27,016.34 × 12,768.82
  4. Step 4: Simplify right side
    18,010.33x = 344,966,803.10
  5. Step 5: Solve for x
    x = 344,966,803.10/18,010.33
  6. Step 6: Final answer
    x = 19,153.83

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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.