Home / 11,730.39-17,598.24-3,939

Finding the Fourth Proportional to 11,730.39, 17,598.24 and 3,939

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Solution

The fourth proportional to 11,730.39, 17,598.24 and 3,939 is: 5,909.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,730.39 : 17,598.24 = 3,939 : x
  2. Step 2: Convert to fraction form
    11,730.39/17,598.24 = 3,939/x
  3. Step 3: Cross multiply
    11,730.39x = 17,598.24 × 3,939
  4. Step 4: Simplify right side
    11,730.39x = 69,319,467.36
  5. Step 5: Solve for x
    x = 69,319,467.36/11,730.39
  6. Step 6: Final answer
    x = 5,909.39

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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.