Home / 11,976.86-17,964.68-4,580.75

Finding the Fourth Proportional to 11,976.86, 17,964.68 and 4,580.75

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Solution

The fourth proportional to 11,976.86, 17,964.68 and 4,580.75 is: 6,870.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,976.86 : 17,964.68 = 4,580.75 : x
  2. Step 2: Convert to fraction form
    11,976.86/17,964.68 = 4,580.75/x
  3. Step 3: Cross multiply
    11,976.86x = 17,964.68 × 4,580.75
  4. Step 4: Simplify right side
    11,976.86x = 82,291,595.18
  5. Step 5: Solve for x
    x = 82,291,595.18/11,976.86
  6. Step 6: Final answer
    x = 6,870.89

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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.