Home / 12,006.48-18,008.30-3,242.07

Finding the Fourth Proportional to 12,006.48, 18,008.30 and 3,242.07

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Solution

The fourth proportional to 12,006.48, 18,008.30 and 3,242.07 is: 4,862.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,006.48 : 18,008.30 = 3,242.07 : x
  2. Step 2: Convert to fraction form
    12,006.48/18,008.30 = 3,242.07/x
  3. Step 3: Cross multiply
    12,006.48x = 18,008.30 × 3,242.07
  4. Step 4: Simplify right side
    12,006.48x = 58,384,197.99
  5. Step 5: Solve for x
    x = 58,384,197.99/12,006.48
  6. Step 6: Final answer
    x = 4,862.73

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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.