Home / 18,292.38-27,439.33-6,447.72

Finding the Fourth Proportional to 18,292.38, 27,439.33 and 6,447.72

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Solution

The fourth proportional to 18,292.38, 27,439.33 and 6,447.72 is: 9,671.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,292.38 : 27,439.33 = 6,447.72 : x
  2. Step 2: Convert to fraction form
    18,292.38/27,439.33 = 6,447.72/x
  3. Step 3: Cross multiply
    18,292.38x = 27,439.33 × 6,447.72
  4. Step 4: Simplify right side
    18,292.38x = 176,921,137.36
  5. Step 5: Solve for x
    x = 176,921,137.36/18,292.38
  6. Step 6: Final answer
    x = 9,671.85

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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.