Home / 13,299.39-19,961.44-6,730.22

Finding the Fourth Proportional to 13,299.39, 19,961.44 and 6,730.22

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Solution

The fourth proportional to 13,299.39, 19,961.44 and 6,730.22 is: 10,101.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,299.39 : 19,961.44 = 6,730.22 : x
  2. Step 2: Convert to fraction form
    13,299.39/19,961.44 = 6,730.22/x
  3. Step 3: Cross multiply
    13,299.39x = 19,961.44 × 6,730.22
  4. Step 4: Simplify right side
    13,299.39x = 134,344,915.79
  5. Step 5: Solve for x
    x = 134,344,915.79/13,299.39
  6. Step 6: Final answer
    x = 10,101.58

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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.