Home / 9,986.83-13,781.75-5,510.77

Finding the Fourth Proportional to 9,986.83, 13,781.75 and 5,510.77

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Solution

The fourth proportional to 9,986.83, 13,781.75 and 5,510.77 is: 7,604.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,986.83 : 13,781.75 = 5,510.77 : x
  2. Step 2: Convert to fraction form
    9,986.83/13,781.75 = 5,510.77/x
  3. Step 3: Cross multiply
    9,986.83x = 13,781.75 × 5,510.77
  4. Step 4: Simplify right side
    9,986.83x = 75,947,992.44
  5. Step 5: Solve for x
    x = 75,947,992.44/9,986.83
  6. Step 6: Final answer
    x = 7,604.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.