Home / 12,577.73-18,869.42-4,257.27

Finding the Fourth Proportional to 12,577.73, 18,869.42 and 4,257.27

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Solution

The fourth proportional to 12,577.73, 18,869.42 and 4,257.27 is: 6,386.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,577.73 : 18,869.42 = 4,257.27 : x
  2. Step 2: Convert to fraction form
    12,577.73/18,869.42 = 4,257.27/x
  3. Step 3: Cross multiply
    12,577.73x = 18,869.42 × 4,257.27
  4. Step 4: Simplify right side
    12,577.73x = 80,332,226.33
  5. Step 5: Solve for x
    x = 80,332,226.33/12,577.73
  6. Step 6: Final answer
    x = 6,386.86

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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.