Home / 12,650.66-18,974.38-3,884.84

Finding the Fourth Proportional to 12,650.66, 18,974.38 and 3,884.84

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Solution

The fourth proportional to 12,650.66, 18,974.38 and 3,884.84 is: 5,826.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,650.66 : 18,974.38 = 3,884.84 : x
  2. Step 2: Convert to fraction form
    12,650.66/18,974.38 = 3,884.84/x
  3. Step 3: Cross multiply
    12,650.66x = 18,974.38 × 3,884.84
  4. Step 4: Simplify right side
    12,650.66x = 73,712,430.40
  5. Step 5: Solve for x
    x = 73,712,430.40/12,650.66
  6. Step 6: Final answer
    x = 5,826.77

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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.