Home / 11,845.28-17,764.04-3,946.10

Finding the Fourth Proportional to 11,845.28, 17,764.04 and 3,946.10

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Solution

The fourth proportional to 11,845.28, 17,764.04 and 3,946.10 is: 5,917.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,845.28 : 17,764.04 = 3,946.10 : x
  2. Step 2: Convert to fraction form
    11,845.28/17,764.04 = 3,946.10/x
  3. Step 3: Cross multiply
    11,845.28x = 17,764.04 × 3,946.10
  4. Step 4: Simplify right side
    11,845.28x = 70,098,678.24
  5. Step 5: Solve for x
    x = 70,098,678.24/11,845.28
  6. Step 6: Final answer
    x = 5,917.86

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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.