Home / 11,780.77-17,671.14-3,015.69

Finding the Fourth Proportional to 11,780.77, 17,671.14 and 3,015.69

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Solution

The fourth proportional to 11,780.77, 17,671.14 and 3,015.69 is: 4,523.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,780.77 : 17,671.14 = 3,015.69 : x
  2. Step 2: Convert to fraction form
    11,780.77/17,671.14 = 3,015.69/x
  3. Step 3: Cross multiply
    11,780.77x = 17,671.14 × 3,015.69
  4. Step 4: Simplify right side
    11,780.77x = 53,290,680.19
  5. Step 5: Solve for x
    x = 53,290,680.19/11,780.77
  6. Step 6: Final answer
    x = 4,523.53

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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.