Home / 11,828.64-17,744.33-3,931.86

Finding the Fourth Proportional to 11,828.64, 17,744.33 and 3,931.86

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Solution

The fourth proportional to 11,828.64, 17,744.33 and 3,931.86 is: 5,898.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,828.64 : 17,744.33 = 3,931.86 : x
  2. Step 2: Convert to fraction form
    11,828.64/17,744.33 = 3,931.86/x
  3. Step 3: Cross multiply
    11,828.64x = 17,744.33 × 3,931.86
  4. Step 4: Simplify right side
    11,828.64x = 69,768,221.35
  5. Step 5: Solve for x
    x = 69,768,221.35/11,828.64
  6. Step 6: Final answer
    x = 5,898.25

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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.