Home / 11,201.60-16,801.72-4,959.78

Finding the Fourth Proportional to 11,201.60, 16,801.72 and 4,959.78

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Solution

The fourth proportional to 11,201.60, 16,801.72 and 4,959.78 is: 7,439.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,201.60 : 16,801.72 = 4,959.78 : x
  2. Step 2: Convert to fraction form
    11,201.60/16,801.72 = 4,959.78/x
  3. Step 3: Cross multiply
    11,201.60x = 16,801.72 × 4,959.78
  4. Step 4: Simplify right side
    11,201.60x = 83,332,834.82
  5. Step 5: Solve for x
    x = 83,332,834.82/11,201.60
  6. Step 6: Final answer
    x = 7,439.37

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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.