Home / 11,780.79-17,673.34-3,883.77

Finding the Fourth Proportional to 11,780.79, 17,673.34 and 3,883.77

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Solution

The fourth proportional to 11,780.79, 17,673.34 and 3,883.77 is: 5,826.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,780.79 : 17,673.34 = 3,883.77 : x
  2. Step 2: Convert to fraction form
    11,780.79/17,673.34 = 3,883.77/x
  3. Step 3: Cross multiply
    11,780.79x = 17,673.34 × 3,883.77
  4. Step 4: Simplify right side
    11,780.79x = 68,639,187.69
  5. Step 5: Solve for x
    x = 68,639,187.69/11,780.79
  6. Step 6: Final answer
    x = 5,826.37

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1.5x scale

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.