Home / 19,794.17-27,305.61-12,238.09

Finding the Fourth Proportional to 19,794.17, 27,305.61 and 12,238.09

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Solution

The fourth proportional to 19,794.17, 27,305.61 and 12,238.09 is: 16,882.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,794.17 : 27,305.61 = 12,238.09 : x
  2. Step 2: Convert to fraction form
    19,794.17/27,305.61 = 12,238.09/x
  3. Step 3: Cross multiply
    19,794.17x = 27,305.61 × 12,238.09
  4. Step 4: Simplify right side
    19,794.17x = 334,168,398.53
  5. Step 5: Solve for x
    x = 334,168,398.53/19,794.17
  6. Step 6: Final answer
    x = 16,882.16

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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.