Home / 18,214.05-27,260.92-12,866.83

Finding the Fourth Proportional to 18,214.05, 27,260.92 and 12,866.83

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Solution

The fourth proportional to 18,214.05, 27,260.92 and 12,866.83 is: 19,257.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,214.05 : 27,260.92 = 12,866.83 : x
  2. Step 2: Convert to fraction form
    18,214.05/27,260.92 = 12,866.83/x
  3. Step 3: Cross multiply
    18,214.05x = 27,260.92 × 12,866.83
  4. Step 4: Simplify right side
    18,214.05x = 350,761,623.28
  5. Step 5: Solve for x
    x = 350,761,623.28/18,214.05
  6. Step 6: Final answer
    x = 19,257.75

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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.