Home / 19,789.25-29,684.79-11,017.56

Finding the Fourth Proportional to 19,789.25, 29,684.79 and 11,017.56

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Solution

The fourth proportional to 19,789.25, 29,684.79 and 11,017.56 is: 16,526.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,789.25 : 29,684.79 = 11,017.56 : x
  2. Step 2: Convert to fraction form
    19,789.25/29,684.79 = 11,017.56/x
  3. Step 3: Cross multiply
    19,789.25x = 29,684.79 × 11,017.56
  4. Step 4: Simplify right side
    19,789.25x = 327,053,954.91
  5. Step 5: Solve for x
    x = 327,053,954.91/19,789.25
  6. Step 6: Final answer
    x = 16,526.85

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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.