Home / 11,764.72-17,649.60-3,973.36

Finding the Fourth Proportional to 11,764.72, 17,649.60 and 3,973.36

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Solution

The fourth proportional to 11,764.72, 17,649.60 and 3,973.36 is: 5,960.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,764.72 : 17,649.60 = 3,973.36 : x
  2. Step 2: Convert to fraction form
    11,764.72/17,649.60 = 3,973.36/x
  3. Step 3: Cross multiply
    11,764.72x = 17,649.60 × 3,973.36
  4. Step 4: Simplify right side
    11,764.72x = 70,128,214.66
  5. Step 5: Solve for x
    x = 70,128,214.66/11,764.72
  6. Step 6: Final answer
    x = 5,960.89

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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.