Home / 12,383.28-18,579.78-4,592.70

Finding the Fourth Proportional to 12,383.28, 18,579.78 and 4,592.70

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Solution

The fourth proportional to 12,383.28, 18,579.78 and 4,592.70 is: 6,890.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,383.28 : 18,579.78 = 4,592.70 : x
  2. Step 2: Convert to fraction form
    12,383.28/18,579.78 = 4,592.70/x
  3. Step 3: Cross multiply
    12,383.28x = 18,579.78 × 4,592.70
  4. Step 4: Simplify right side
    12,383.28x = 85,331,355.61
  5. Step 5: Solve for x
    x = 85,331,355.61/12,383.28
  6. Step 6: Final answer
    x = 6,890.85

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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.