Home / 13,178.92-19,763.61-4,411.79

Finding the Fourth Proportional to 13,178.92, 19,763.61 and 4,411.79

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Solution

The fourth proportional to 13,178.92, 19,763.61 and 4,411.79 is: 6,616.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,178.92 : 19,763.61 = 4,411.79 : x
  2. Step 2: Convert to fraction form
    13,178.92/19,763.61 = 4,411.79/x
  3. Step 3: Cross multiply
    13,178.92x = 19,763.61 × 4,411.79
  4. Step 4: Simplify right side
    13,178.92x = 87,192,896.96
  5. Step 5: Solve for x
    x = 87,192,896.96/13,178.92
  6. Step 6: Final answer
    x = 6,616.09

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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.