Home / 8,936.18-13,391.76-7,613

Finding the Fourth Proportional to 8,936.18, 13,391.76 and 7,613

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Solution

The fourth proportional to 8,936.18, 13,391.76 and 7,613 is: 11,408.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936.18 : 13,391.76 = 7,613 : x
  2. Step 2: Convert to fraction form
    8,936.18/13,391.76 = 7,613/x
  3. Step 3: Cross multiply
    8,936.18x = 13,391.76 × 7,613
  4. Step 4: Simplify right side
    8,936.18x = 101,951,468.88
  5. Step 5: Solve for x
    x = 101,951,468.88/8,936.18
  6. Step 6: Final answer
    x = 11,408.84

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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.