Home / 9,107.80-13,654.68-4,173.88

Finding the Fourth Proportional to 9,107.80, 13,654.68 and 4,173.88

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Solution

The fourth proportional to 9,107.80, 13,654.68 and 4,173.88 is: 6,257.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,107.80 : 13,654.68 = 4,173.88 : x
  2. Step 2: Convert to fraction form
    9,107.80/13,654.68 = 4,173.88/x
  3. Step 3: Cross multiply
    9,107.80x = 13,654.68 × 4,173.88
  4. Step 4: Simplify right side
    9,107.80x = 56,992,995.76
  5. Step 5: Solve for x
    x = 56,992,995.76/9,107.80
  6. Step 6: Final answer
    x = 6,257.60

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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.