Home / 11,780.82-16,257.42-6,475.54

Finding the Fourth Proportional to 11,780.82, 16,257.42 and 6,475.54

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Solution

The fourth proportional to 11,780.82, 16,257.42 and 6,475.54 is: 8,936.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,780.82 : 16,257.42 = 6,475.54 : x
  2. Step 2: Convert to fraction form
    11,780.82/16,257.42 = 6,475.54/x
  3. Step 3: Cross multiply
    11,780.82x = 16,257.42 × 6,475.54
  4. Step 4: Simplify right side
    11,780.82x = 105,275,573.51
  5. Step 5: Solve for x
    x = 105,275,573.51/11,780.82
  6. Step 6: Final answer
    x = 8,936.18

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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.