Home / 13,766.76-20,635.41-5,443.17

Finding the Fourth Proportional to 13,766.76, 20,635.41 and 5,443.17

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Solution

The fourth proportional to 13,766.76, 20,635.41 and 5,443.17 is: 8,158.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,766.76 : 20,635.41 = 5,443.17 : x
  2. Step 2: Convert to fraction form
    13,766.76/20,635.41 = 5,443.17/x
  3. Step 3: Cross multiply
    13,766.76x = 20,635.41 × 5,443.17
  4. Step 4: Simplify right side
    13,766.76x = 112,322,044.65
  5. Step 5: Solve for x
    x = 112,322,044.65/13,766.76
  6. Step 6: Final answer
    x = 8,158.93

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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.