Home / 12,002.02-18,001.78-3,237.82

Finding the Fourth Proportional to 12,002.02, 18,001.78 and 3,237.82

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Solution

The fourth proportional to 12,002.02, 18,001.78 and 3,237.82 is: 4,856.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,002.02 : 18,001.78 = 3,237.82 : x
  2. Step 2: Convert to fraction form
    12,002.02/18,001.78 = 3,237.82/x
  3. Step 3: Cross multiply
    12,002.02x = 18,001.78 × 3,237.82
  4. Step 4: Simplify right side
    12,002.02x = 58,286,523.32
  5. Step 5: Solve for x
    x = 58,286,523.32/12,002.02
  6. Step 6: Final answer
    x = 4,856.39

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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.