Home / 11,189.70-16,783.83-3,398.58

Finding the Fourth Proportional to 11,189.70, 16,783.83 and 3,398.58

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Solution

The fourth proportional to 11,189.70, 16,783.83 and 3,398.58 is: 5,097.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189.70 : 16,783.83 = 3,398.58 : x
  2. Step 2: Convert to fraction form
    11,189.70/16,783.83 = 3,398.58/x
  3. Step 3: Cross multiply
    11,189.70x = 16,783.83 × 3,398.58
  4. Step 4: Simplify right side
    11,189.70x = 57,041,188.96
  5. Step 5: Solve for x
    x = 57,041,188.96/11,189.70
  6. Step 6: Final answer
    x = 5,097.65

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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.