Home / 12,577.27-17,374.35-11,912.97

Finding the Fourth Proportional to 12,577.27, 17,374.35 and 11,912.97

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Solution

The fourth proportional to 12,577.27, 17,374.35 and 11,912.97 is: 16,456.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,577.27 : 17,374.35 = 11,912.97 : x
  2. Step 2: Convert to fraction form
    12,577.27/17,374.35 = 11,912.97/x
  3. Step 3: Cross multiply
    12,577.27x = 17,374.35 × 11,912.97
  4. Step 4: Simplify right side
    12,577.27x = 206,980,050.75
  5. Step 5: Solve for x
    x = 206,980,050.75/12,577.27
  6. Step 6: Final answer
    x = 16,456.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.