Home / 12,025.72-18,044.34-4,238.20

Finding the Fourth Proportional to 12,025.72, 18,044.34 and 4,238.20

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Solution

The fourth proportional to 12,025.72, 18,044.34 and 4,238.20 is: 6,359.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,025.72 : 18,044.34 = 4,238.20 : x
  2. Step 2: Convert to fraction form
    12,025.72/18,044.34 = 4,238.20/x
  3. Step 3: Cross multiply
    12,025.72x = 18,044.34 × 4,238.20
  4. Step 4: Simplify right side
    12,025.72x = 76,475,521.79
  5. Step 5: Solve for x
    x = 76,475,521.79/12,025.72
  6. Step 6: Final answer
    x = 6,359.33

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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.