Home / 10,780.90-16,173.06-3,383.71

Finding the Fourth Proportional to 10,780.90, 16,173.06 and 3,383.71

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Solution

The fourth proportional to 10,780.90, 16,173.06 and 3,383.71 is: 5,076.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780.90 : 16,173.06 = 3,383.71 : x
  2. Step 2: Convert to fraction form
    10,780.90/16,173.06 = 3,383.71/x
  3. Step 3: Cross multiply
    10,780.90x = 16,173.06 × 3,383.71
  4. Step 4: Simplify right side
    10,780.90x = 54,724,944.85
  5. Step 5: Solve for x
    x = 54,724,944.85/10,780.90
  6. Step 6: Final answer
    x = 5,076.10

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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.