Home / 15,143.44-22,717.32-4,756

Finding the Fourth Proportional to 15,143.44, 22,717.32 and 4,756

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Solution

The fourth proportional to 15,143.44, 22,717.32 and 4,756 is: 7,134.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,143.44 : 22,717.32 = 4,756 : x
  2. Step 2: Convert to fraction form
    15,143.44/22,717.32 = 4,756/x
  3. Step 3: Cross multiply
    15,143.44x = 22,717.32 × 4,756
  4. Step 4: Simplify right side
    15,143.44x = 108,043,573.92
  5. Step 5: Solve for x
    x = 108,043,573.92/15,143.44
  6. Step 6: Final answer
    x = 7,134.68

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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.