Home / 12,243.10-18,367.44-4,451.89

Finding the Fourth Proportional to 12,243.10, 18,367.44 and 4,451.89

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Solution

The fourth proportional to 12,243.10, 18,367.44 and 4,451.89 is: 6,678.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,243.10 : 18,367.44 = 4,451.89 : x
  2. Step 2: Convert to fraction form
    12,243.10/18,367.44 = 4,451.89/x
  3. Step 3: Cross multiply
    12,243.10x = 18,367.44 × 4,451.89
  4. Step 4: Simplify right side
    12,243.10x = 81,769,822.46
  5. Step 5: Solve for x
    x = 81,769,822.46/12,243.10
  6. Step 6: Final answer
    x = 6,678.85

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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.