Home / 18,288.33-27,429.69-5,806.74

Finding the Fourth Proportional to 18,288.33, 27,429.69 and 5,806.74

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Solution

The fourth proportional to 18,288.33, 27,429.69 and 5,806.74 is: 8,709.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,288.33 : 27,429.69 = 5,806.74 : x
  2. Step 2: Convert to fraction form
    18,288.33/27,429.69 = 5,806.74/x
  3. Step 3: Cross multiply
    18,288.33x = 27,429.69 × 5,806.74
  4. Step 4: Simplify right side
    18,288.33x = 159,277,078.11
  5. Step 5: Solve for x
    x = 159,277,078.11/18,288.33
  6. Step 6: Final answer
    x = 8,709.22

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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.