Home / 13,092.62-19,639.89-4,208.04

Finding the Fourth Proportional to 13,092.62, 19,639.89 and 4,208.04

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Solution

The fourth proportional to 13,092.62, 19,639.89 and 4,208.04 is: 6,312.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,092.62 : 19,639.89 = 4,208.04 : x
  2. Step 2: Convert to fraction form
    13,092.62/19,639.89 = 4,208.04/x
  3. Step 3: Cross multiply
    13,092.62x = 19,639.89 × 4,208.04
  4. Step 4: Simplify right side
    13,092.62x = 82,645,442.72
  5. Step 5: Solve for x
    x = 82,645,442.72/13,092.62
  6. Step 6: Final answer
    x = 6,312.37

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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.