Home / 13,768.91-20,652.92-4,408.82

Finding the Fourth Proportional to 13,768.91, 20,652.92 and 4,408.82

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Solution

The fourth proportional to 13,768.91, 20,652.92 and 4,408.82 is: 6,613.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,768.91 : 20,652.92 = 4,408.82 : x
  2. Step 2: Convert to fraction form
    13,768.91/20,652.92 = 4,408.82/x
  3. Step 3: Cross multiply
    13,768.91x = 20,652.92 × 4,408.82
  4. Step 4: Simplify right side
    13,768.91x = 91,054,984.71
  5. Step 5: Solve for x
    x = 91,054,984.71/13,768.91
  6. Step 6: Final answer
    x = 6,613.09

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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.