Home / 11,206.78-16,810.26-3,812.92

Finding the Fourth Proportional to 11,206.78, 16,810.26 and 3,812.92

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Solution

The fourth proportional to 11,206.78, 16,810.26 and 3,812.92 is: 5,719.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,206.78 : 16,810.26 = 3,812.92 : x
  2. Step 2: Convert to fraction form
    11,206.78/16,810.26 = 3,812.92/x
  3. Step 3: Cross multiply
    11,206.78x = 16,810.26 × 3,812.92
  4. Step 4: Simplify right side
    11,206.78x = 64,096,176.56
  5. Step 5: Solve for x
    x = 64,096,176.56/11,206.78
  6. Step 6: Final answer
    x = 5,719.41

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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.