Home / 11,995.30-17,984.05-5,749.36

Finding the Fourth Proportional to 11,995.30, 17,984.05 and 5,749.36

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Solution

The fourth proportional to 11,995.30, 17,984.05 and 5,749.36 is: 8,619.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,995.30 : 17,984.05 = 5,749.36 : x
  2. Step 2: Convert to fraction form
    11,995.30/17,984.05 = 5,749.36/x
  3. Step 3: Cross multiply
    11,995.30x = 17,984.05 × 5,749.36
  4. Step 4: Simplify right side
    11,995.30x = 103,396,777.71
  5. Step 5: Solve for x
    x = 103,396,777.71/11,995.30
  6. Step 6: Final answer
    x = 8,619.77

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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.