Home / 13,178.62-19,764.69-3,944.62

Finding the Fourth Proportional to 13,178.62, 19,764.69 and 3,944.62

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Solution

The fourth proportional to 13,178.62, 19,764.69 and 3,944.62 is: 5,915.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,178.62 : 19,764.69 = 3,944.62 : x
  2. Step 2: Convert to fraction form
    13,178.62/19,764.69 = 3,944.62/x
  3. Step 3: Cross multiply
    13,178.62x = 19,764.69 × 3,944.62
  4. Step 4: Simplify right side
    13,178.62x = 77,964,191.47
  5. Step 5: Solve for x
    x = 77,964,191.47/13,178.62
  6. Step 6: Final answer
    x = 5,915.96

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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.