Home / 12,545.16-18,819.67-4,224.52

Finding the Fourth Proportional to 12,545.16, 18,819.67 and 4,224.52

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Solution

The fourth proportional to 12,545.16, 18,819.67 and 4,224.52 is: 6,337.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,545.16 : 18,819.67 = 4,224.52 : x
  2. Step 2: Convert to fraction form
    12,545.16/18,819.67 = 4,224.52/x
  3. Step 3: Cross multiply
    12,545.16x = 18,819.67 × 4,224.52
  4. Step 4: Simplify right side
    12,545.16x = 79,504,072.31
  5. Step 5: Solve for x
    x = 79,504,072.31/12,545.16
  6. Step 6: Final answer
    x = 6,337.43

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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.