Home / 11,903.32-17,855.87-4,005.86

Finding the Fourth Proportional to 11,903.32, 17,855.87 and 4,005.86

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Solution

The fourth proportional to 11,903.32, 17,855.87 and 4,005.86 is: 6,009.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,903.32 : 17,855.87 = 4,005.86 : x
  2. Step 2: Convert to fraction form
    11,903.32/17,855.87 = 4,005.86/x
  3. Step 3: Cross multiply
    11,903.32x = 17,855.87 × 4,005.86
  4. Step 4: Simplify right side
    11,903.32x = 71,528,115.40
  5. Step 5: Solve for x
    x = 71,528,115.40/11,903.32
  6. Step 6: Final answer
    x = 6,009.09

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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.