Home / 19,797.05-27,319.13-11,837.72

Finding the Fourth Proportional to 19,797.05, 27,319.13 and 11,837.72

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Solution

The fourth proportional to 19,797.05, 27,319.13 and 11,837.72 is: 16,335.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,797.05 : 27,319.13 = 11,837.72 : x
  2. Step 2: Convert to fraction form
    19,797.05/27,319.13 = 11,837.72/x
  3. Step 3: Cross multiply
    19,797.05x = 27,319.13 × 11,837.72
  4. Step 4: Simplify right side
    19,797.05x = 323,396,211.58
  5. Step 5: Solve for x
    x = 323,396,211.58/19,797.05
  6. Step 6: Final answer
    x = 16,335.58

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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.