Home / 13,173.75-19,760.61-4,408.74

Finding the Fourth Proportional to 13,173.75, 19,760.61 and 4,408.74

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Solution

The fourth proportional to 13,173.75, 19,760.61 and 4,408.74 is: 6,613.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173.75 : 19,760.61 = 4,408.74 : x
  2. Step 2: Convert to fraction form
    13,173.75/19,760.61 = 4,408.74/x
  3. Step 3: Cross multiply
    13,173.75x = 19,760.61 × 4,408.74
  4. Step 4: Simplify right side
    13,173.75x = 87,119,391.73
  5. Step 5: Solve for x
    x = 87,119,391.73/13,173.75
  6. Step 6: Final answer
    x = 6,613.10

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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.