Home / 11,784.34-16,257.75-6,745.84

Finding the Fourth Proportional to 11,784.34, 16,257.75 and 6,745.84

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Solution

The fourth proportional to 11,784.34, 16,257.75 and 6,745.84 is: 9,306.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,784.34 : 16,257.75 = 6,745.84 : x
  2. Step 2: Convert to fraction form
    11,784.34/16,257.75 = 6,745.84/x
  3. Step 3: Cross multiply
    11,784.34x = 16,257.75 × 6,745.84
  4. Step 4: Simplify right side
    11,784.34x = 109,672,160.04
  5. Step 5: Solve for x
    x = 109,672,160.04/11,784.34
  6. Step 6: Final answer
    x = 9,306.61

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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.