Home / 12,558.92-18,833.94-3,671.87

Finding the Fourth Proportional to 12,558.92, 18,833.94 and 3,671.87

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Solution

The fourth proportional to 12,558.92, 18,833.94 and 3,671.87 is: 5,506.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558.92 : 18,833.94 = 3,671.87 : x
  2. Step 2: Convert to fraction form
    12,558.92/18,833.94 = 3,671.87/x
  3. Step 3: Cross multiply
    12,558.92x = 18,833.94 × 3,671.87
  4. Step 4: Simplify right side
    12,558.92x = 69,155,685.10
  5. Step 5: Solve for x
    x = 69,155,685.10/12,558.92
  6. Step 6: Final answer
    x = 5,506.50

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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.