Home / 13,771.31-20,658.33-4,408.98

Finding the Fourth Proportional to 13,771.31, 20,658.33 and 4,408.98

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Solution

The fourth proportional to 13,771.31, 20,658.33 and 4,408.98 is: 6,613.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,771.31 : 20,658.33 = 4,408.98 : x
  2. Step 2: Convert to fraction form
    13,771.31/20,658.33 = 4,408.98/x
  3. Step 3: Cross multiply
    13,771.31x = 20,658.33 × 4,408.98
  4. Step 4: Simplify right side
    13,771.31x = 91,082,060.51
  5. Step 5: Solve for x
    x = 91,082,060.51/13,771.31
  6. Step 6: Final answer
    x = 6,613.90

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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.