Home / 11,189.46-16,783.92-2,869.32

Finding the Fourth Proportional to 11,189.46, 16,783.92 and 2,869.32

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Solution

The fourth proportional to 11,189.46, 16,783.92 and 2,869.32 is: 4,303.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189.46 : 16,783.92 = 2,869.32 : x
  2. Step 2: Convert to fraction form
    11,189.46/16,783.92 = 2,869.32/x
  3. Step 3: Cross multiply
    11,189.46x = 16,783.92 × 2,869.32
  4. Step 4: Simplify right side
    11,189.46x = 48,158,437.33
  5. Step 5: Solve for x
    x = 48,158,437.33/11,189.46
  6. Step 6: Final answer
    x = 4,303.91

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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.