Home / 9,768.12-14,654.58-2,748.12

Finding the Fourth Proportional to 9,768.12, 14,654.58 and 2,748.12

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Solution

The fourth proportional to 9,768.12, 14,654.58 and 2,748.12 is: 4,122.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,768.12 : 14,654.58 = 2,748.12 : x
  2. Step 2: Convert to fraction form
    9,768.12/14,654.58 = 2,748.12/x
  3. Step 3: Cross multiply
    9,768.12x = 14,654.58 × 2,748.12
  4. Step 4: Simplify right side
    9,768.12x = 40,272,544.39
  5. Step 5: Solve for x
    x = 40,272,544.39/9,768.12
  6. Step 6: Final answer
    x = 4,122.86

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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.