Home / 15,792.45-23,696.91-6,439.38

Finding the Fourth Proportional to 15,792.45, 23,696.91 and 6,439.38

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Solution

The fourth proportional to 15,792.45, 23,696.91 and 6,439.38 is: 9,662.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,792.45 : 23,696.91 = 6,439.38 : x
  2. Step 2: Convert to fraction form
    15,792.45/23,696.91 = 6,439.38/x
  3. Step 3: Cross multiply
    15,792.45x = 23,696.91 × 6,439.38
  4. Step 4: Simplify right side
    15,792.45x = 152,593,408.32
  5. Step 5: Solve for x
    x = 152,593,408.32/15,792.45
  6. Step 6: Final answer
    x = 9,662.43

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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.