Home / 11,788.89-17,686.77-4,765.26

Finding the Fourth Proportional to 11,788.89, 17,686.77 and 4,765.26

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Solution

The fourth proportional to 11,788.89, 17,686.77 and 4,765.26 is: 7,149.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,788.89 : 17,686.77 = 4,765.26 : x
  2. Step 2: Convert to fraction form
    11,788.89/17,686.77 = 4,765.26/x
  3. Step 3: Cross multiply
    11,788.89x = 17,686.77 × 4,765.26
  4. Step 4: Simplify right side
    11,788.89x = 84,282,057.61
  5. Step 5: Solve for x
    x = 84,282,057.61/11,788.89
  6. Step 6: Final answer
    x = 7,149.28

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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.