Home / 12,024.78-18,037.19-4,231.78

Finding the Fourth Proportional to 12,024.78, 18,037.19 and 4,231.78

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Solution

The fourth proportional to 12,024.78, 18,037.19 and 4,231.78 is: 6,347.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,024.78 : 18,037.19 = 4,231.78 : x
  2. Step 2: Convert to fraction form
    12,024.78/18,037.19 = 4,231.78/x
  3. Step 3: Cross multiply
    12,024.78x = 18,037.19 × 4,231.78
  4. Step 4: Simplify right side
    12,024.78x = 76,329,419.90
  5. Step 5: Solve for x
    x = 76,329,419.90/12,024.78
  6. Step 6: Final answer
    x = 6,347.68

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1.5x scale

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.