Home / 9,418.96-14,129.98-3,179.56

Finding the Fourth Proportional to 9,418.96, 14,129.98 and 3,179.56

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Solution

The fourth proportional to 9,418.96, 14,129.98 and 3,179.56 is: 4,769.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418.96 : 14,129.98 = 3,179.56 : x
  2. Step 2: Convert to fraction form
    9,418.96/14,129.98 = 3,179.56/x
  3. Step 3: Cross multiply
    9,418.96x = 14,129.98 × 3,179.56
  4. Step 4: Simplify right side
    9,418.96x = 44,927,119.21
  5. Step 5: Solve for x
    x = 44,927,119.21/9,418.96
  6. Step 6: Final answer
    x = 4,769.86

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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.