Home / 12,048.12-18,072.24-4,256.94

Finding the Fourth Proportional to 12,048.12, 18,072.24 and 4,256.94

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Solution

The fourth proportional to 12,048.12, 18,072.24 and 4,256.94 is: 6,385.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,048.12 : 18,072.24 = 4,256.94 : x
  2. Step 2: Convert to fraction form
    12,048.12/18,072.24 = 4,256.94/x
  3. Step 3: Cross multiply
    12,048.12x = 18,072.24 × 4,256.94
  4. Step 4: Simplify right side
    12,048.12x = 76,932,441.35
  5. Step 5: Solve for x
    x = 76,932,441.35/12,048.12
  6. Step 6: Final answer
    x = 6,385.43

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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.