Home / 9,385.10-14,072.28-3,143.48

Finding the Fourth Proportional to 9,385.10, 14,072.28 and 3,143.48

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Solution

The fourth proportional to 9,385.10, 14,072.28 and 3,143.48 is: 4,713.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,385.10 : 14,072.28 = 3,143.48 : x
  2. Step 2: Convert to fraction form
    9,385.10/14,072.28 = 3,143.48/x
  3. Step 3: Cross multiply
    9,385.10x = 14,072.28 × 3,143.48
  4. Step 4: Simplify right side
    9,385.10x = 44,235,930.73
  5. Step 5: Solve for x
    x = 44,235,930.73/9,385.10
  6. Step 6: Final answer
    x = 4,713.42

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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.