Home / 18,199.19-27,285.27-5,712.09

Finding the Fourth Proportional to 18,199.19, 27,285.27 and 5,712.09

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Solution

The fourth proportional to 18,199.19, 27,285.27 and 5,712.09 is: 8,563.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,199.19 : 27,285.27 = 5,712.09 : x
  2. Step 2: Convert to fraction form
    18,199.19/27,285.27 = 5,712.09/x
  3. Step 3: Cross multiply
    18,199.19x = 27,285.27 × 5,712.09
  4. Step 4: Simplify right side
    18,199.19x = 155,855,917.91
  5. Step 5: Solve for x
    x = 155,855,917.91/18,199.19
  6. Step 6: Final answer
    x = 8,563.90

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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.