Home / 12,792.36-19,180.62-4,992

Finding the Fourth Proportional to 12,792.36, 19,180.62 and 4,992

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Solution

The fourth proportional to 12,792.36, 19,180.62 and 4,992 is: 7,484.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,792.36 : 19,180.62 = 4,992 : x
  2. Step 2: Convert to fraction form
    12,792.36/19,180.62 = 4,992/x
  3. Step 3: Cross multiply
    12,792.36x = 19,180.62 × 4,992
  4. Step 4: Simplify right side
    12,792.36x = 95,749,655.04
  5. Step 5: Solve for x
    x = 95,749,655.04/12,792.36
  6. Step 6: Final answer
    x = 7,484.91

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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.