Home / 12,469.88-18,699.32-4,673.24

Finding the Fourth Proportional to 12,469.88, 18,699.32 and 4,673.24

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Solution

The fourth proportional to 12,469.88, 18,699.32 and 4,673.24 is: 7,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,469.88 : 18,699.32 = 4,673.24 : x
  2. Step 2: Convert to fraction form
    12,469.88/18,699.32 = 4,673.24/x
  3. Step 3: Cross multiply
    12,469.88x = 18,699.32 × 4,673.24
  4. Step 4: Simplify right side
    12,469.88x = 87,386,410.20
  5. Step 5: Solve for x
    x = 87,386,410.20/12,469.88
  6. Step 6: Final answer
    x = 7,007.80

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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.