Home / 12,581.03-18,876.94-4,261.93

Finding the Fourth Proportional to 12,581.03, 18,876.94 and 4,261.93

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Solution

The fourth proportional to 12,581.03, 18,876.94 and 4,261.93 is: 6,394.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,581.03 : 18,876.94 = 4,261.93 : x
  2. Step 2: Convert to fraction form
    12,581.03/18,876.94 = 4,261.93/x
  3. Step 3: Cross multiply
    12,581.03x = 18,876.94 × 4,261.93
  4. Step 4: Simplify right side
    12,581.03x = 80,452,139.05
  5. Step 5: Solve for x
    x = 80,452,139.05/12,581.03
  6. Step 6: Final answer
    x = 6,394.72

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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.