Home / 11,209.93-16,815.87-2,889.88

Finding the Fourth Proportional to 11,209.93, 16,815.87 and 2,889.88

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Solution

The fourth proportional to 11,209.93, 16,815.87 and 2,889.88 is: 4,335.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,209.93 : 16,815.87 = 2,889.88 : x
  2. Step 2: Convert to fraction form
    11,209.93/16,815.87 = 2,889.88/x
  3. Step 3: Cross multiply
    11,209.93x = 16,815.87 × 2,889.88
  4. Step 4: Simplify right side
    11,209.93x = 48,595,792.16
  5. Step 5: Solve for x
    x = 48,595,792.16/11,209.93
  6. Step 6: Final answer
    x = 4,335.07

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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.