Home / 13,905.08-20,861.15-4,044.35

Finding the Fourth Proportional to 13,905.08, 20,861.15 and 4,044.35

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Solution

The fourth proportional to 13,905.08, 20,861.15 and 4,044.35 is: 6,067.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,905.08 : 20,861.15 = 4,044.35 : x
  2. Step 2: Convert to fraction form
    13,905.08/20,861.15 = 4,044.35/x
  3. Step 3: Cross multiply
    13,905.08x = 20,861.15 × 4,044.35
  4. Step 4: Simplify right side
    13,905.08x = 84,369,866.84
  5. Step 5: Solve for x
    x = 84,369,866.84/13,905.08
  6. Step 6: Final answer
    x = 6,067.56

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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.