Home / 18,694.73-25,801.52-11,987.93

Finding the Fourth Proportional to 18,694.73, 25,801.52 and 11,987.93

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Solution

The fourth proportional to 18,694.73, 25,801.52 and 11,987.93 is: 16,545.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,694.73 : 25,801.52 = 11,987.93 : x
  2. Step 2: Convert to fraction form
    18,694.73/25,801.52 = 11,987.93/x
  3. Step 3: Cross multiply
    18,694.73x = 25,801.52 × 11,987.93
  4. Step 4: Simplify right side
    18,694.73x = 309,306,815.65
  5. Step 5: Solve for x
    x = 309,306,815.65/18,694.73
  6. Step 6: Final answer
    x = 16,545.13

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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.