Home / 12,583.36-18,874.56-3,817.92

Finding the Fourth Proportional to 12,583.36, 18,874.56 and 3,817.92

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Solution

The fourth proportional to 12,583.36, 18,874.56 and 3,817.92 is: 5,726.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,583.36 : 18,874.56 = 3,817.92 : x
  2. Step 2: Convert to fraction form
    12,583.36/18,874.56 = 3,817.92/x
  3. Step 3: Cross multiply
    12,583.36x = 18,874.56 × 3,817.92
  4. Step 4: Simplify right side
    12,583.36x = 72,061,560.12
  5. Step 5: Solve for x
    x = 72,061,560.12/12,583.36
  6. Step 6: Final answer
    x = 5,726.73

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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.