Home / 11,355.20-17,027.60-6,089.40

Finding the Fourth Proportional to 11,355.20, 17,027.60 and 6,089.40

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Solution

The fourth proportional to 11,355.20, 17,027.60 and 6,089.40 is: 9,131.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,355.20 : 17,027.60 = 6,089.40 : x
  2. Step 2: Convert to fraction form
    11,355.20/17,027.60 = 6,089.40/x
  3. Step 3: Cross multiply
    11,355.20x = 17,027.60 × 6,089.40
  4. Step 4: Simplify right side
    11,355.20x = 103,687,867.44
  5. Step 5: Solve for x
    x = 103,687,867.44/11,355.20
  6. Step 6: Final answer
    x = 9,131.31

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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.