Home / 16,856.78-25,276.67-8,963.87

Finding the Fourth Proportional to 16,856.78, 25,276.67 and 8,963.87

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Solution

The fourth proportional to 16,856.78, 25,276.67 and 8,963.87 is: 13,441.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,856.78 : 25,276.67 = 8,963.87 : x
  2. Step 2: Convert to fraction form
    16,856.78/25,276.67 = 8,963.87/x
  3. Step 3: Cross multiply
    16,856.78x = 25,276.67 × 8,963.87
  4. Step 4: Simplify right side
    16,856.78x = 226,576,739.09
  5. Step 5: Solve for x
    x = 226,576,739.09/16,856.78
  6. Step 6: Final answer
    x = 13,441.28

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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.