Home / 11,880.73-17,821.09-4,764.77

Finding the Fourth Proportional to 11,880.73, 17,821.09 and 4,764.77

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Solution

The fourth proportional to 11,880.73, 17,821.09 and 4,764.77 is: 7,147.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,880.73 : 17,821.09 = 4,764.77 : x
  2. Step 2: Convert to fraction form
    11,880.73/17,821.09 = 4,764.77/x
  3. Step 3: Cross multiply
    11,880.73x = 17,821.09 × 4,764.77
  4. Step 4: Simplify right side
    11,880.73x = 84,913,465.52
  5. Step 5: Solve for x
    x = 84,913,465.52/11,880.73
  6. Step 6: Final answer
    x = 7,147.16

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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.