Home / 11,903.18-17,858.26-5,327.90

Finding the Fourth Proportional to 11,903.18, 17,858.26 and 5,327.90

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Solution

The fourth proportional to 11,903.18, 17,858.26 and 5,327.90 is: 7,993.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,903.18 : 17,858.26 = 5,327.90 : x
  2. Step 2: Convert to fraction form
    11,903.18/17,858.26 = 5,327.90/x
  3. Step 3: Cross multiply
    11,903.18x = 17,858.26 × 5,327.90
  4. Step 4: Simplify right side
    11,903.18x = 95,147,081.42
  5. Step 5: Solve for x
    x = 95,147,081.42/11,903.18
  6. Step 6: Final answer
    x = 7,993.42

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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.