Home / 12,552.92-18,832.41-3,787.30

Finding the Fourth Proportional to 12,552.92, 18,832.41 and 3,787.30

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Solution

The fourth proportional to 12,552.92, 18,832.41 and 3,787.30 is: 5,681.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,552.92 : 18,832.41 = 3,787.30 : x
  2. Step 2: Convert to fraction form
    12,552.92/18,832.41 = 3,787.30/x
  3. Step 3: Cross multiply
    12,552.92x = 18,832.41 × 3,787.30
  4. Step 4: Simplify right side
    12,552.92x = 71,323,986.39
  5. Step 5: Solve for x
    x = 71,323,986.39/12,552.92
  6. Step 6: Final answer
    x = 5,681.86

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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.