Home / 11,780.29-17,669.13-3,015.28

Finding the Fourth Proportional to 11,780.29, 17,669.13 and 3,015.28

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Solution

The fourth proportional to 11,780.29, 17,669.13 and 3,015.28 is: 4,522.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,780.29 : 17,669.13 = 3,015.28 : x
  2. Step 2: Convert to fraction form
    11,780.29/17,669.13 = 3,015.28/x
  3. Step 3: Cross multiply
    11,780.29x = 17,669.13 × 3,015.28
  4. Step 4: Simplify right side
    11,780.29x = 53,277,374.31
  5. Step 5: Solve for x
    x = 53,277,374.31/11,780.29
  6. Step 6: Final answer
    x = 4,522.59

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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.