Home / 19,620.38-27,083.97-12,069.74

Finding the Fourth Proportional to 19,620.38, 27,083.97 and 12,069.74

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Solution

The fourth proportional to 19,620.38, 27,083.97 and 12,069.74 is: 16,661.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,620.38 : 27,083.97 = 12,069.74 : x
  2. Step 2: Convert to fraction form
    19,620.38/27,083.97 = 12,069.74/x
  3. Step 3: Cross multiply
    19,620.38x = 27,083.97 × 12,069.74
  4. Step 4: Simplify right side
    19,620.38x = 326,896,340.65
  5. Step 5: Solve for x
    x = 326,896,340.65/19,620.38
  6. Step 6: Final answer
    x = 16,661.06

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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.