Home / 13,801.88-19,043.97-8,766.92

Finding the Fourth Proportional to 13,801.88, 19,043.97 and 8,766.92

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Solution

The fourth proportional to 13,801.88, 19,043.97 and 8,766.92 is: 12,096.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,801.88 : 19,043.97 = 8,766.92 : x
  2. Step 2: Convert to fraction form
    13,801.88/19,043.97 = 8,766.92/x
  3. Step 3: Cross multiply
    13,801.88x = 19,043.97 × 8,766.92
  4. Step 4: Simplify right side
    13,801.88x = 166,956,961.47
  5. Step 5: Solve for x
    x = 166,956,961.47/13,801.88
  6. Step 6: Final answer
    x = 12,096.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.