Home / 11,288.57-16,926.71-8,963.51

Finding the Fourth Proportional to 11,288.57, 16,926.71 and 8,963.51

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Solution

The fourth proportional to 11,288.57, 16,926.71 and 8,963.51 is: 13,440.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,288.57 : 16,926.71 = 8,963.51 : x
  2. Step 2: Convert to fraction form
    11,288.57/16,926.71 = 8,963.51/x
  3. Step 3: Cross multiply
    11,288.57x = 16,926.71 × 8,963.51
  4. Step 4: Simplify right side
    11,288.57x = 151,722,604.90
  5. Step 5: Solve for x
    x = 151,722,604.90/11,288.57
  6. Step 6: Final answer
    x = 13,440.38

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1.5x scale

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.