Home / 13,176.92-19,760.61-4,409.79

Finding the Fourth Proportional to 13,176.92, 19,760.61 and 4,409.79

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Solution

The fourth proportional to 13,176.92, 19,760.61 and 4,409.79 is: 6,613.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176.92 : 19,760.61 = 4,409.79 : x
  2. Step 2: Convert to fraction form
    13,176.92/19,760.61 = 4,409.79/x
  3. Step 3: Cross multiply
    13,176.92x = 19,760.61 × 4,409.79
  4. Step 4: Simplify right side
    13,176.92x = 87,140,140.37
  5. Step 5: Solve for x
    x = 87,140,140.37/13,176.92
  6. Step 6: Final answer
    x = 6,613.09

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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.