Home / 9,789.14-14,684.31-2,769.69

Finding the Fourth Proportional to 9,789.14, 14,684.31 and 2,769.69

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Solution

The fourth proportional to 9,789.14, 14,684.31 and 2,769.69 is: 4,154.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,789.14 : 14,684.31 = 2,769.69 : x
  2. Step 2: Convert to fraction form
    9,789.14/14,684.31 = 2,769.69/x
  3. Step 3: Cross multiply
    9,789.14x = 14,684.31 × 2,769.69
  4. Step 4: Simplify right side
    9,789.14x = 40,670,994.19
  5. Step 5: Solve for x
    x = 40,670,994.19/9,789.14
  6. Step 6: Final answer
    x = 4,154.70

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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.