Home / 12,498.23-18,747.68-5,474.63

Finding the Fourth Proportional to 12,498.23, 18,747.68 and 5,474.63

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Solution

The fourth proportional to 12,498.23, 18,747.68 and 5,474.63 is: 8,212.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,498.23 : 18,747.68 = 5,474.63 : x
  2. Step 2: Convert to fraction form
    12,498.23/18,747.68 = 5,474.63/x
  3. Step 3: Cross multiply
    12,498.23x = 18,747.68 × 5,474.63
  4. Step 4: Simplify right side
    12,498.23x = 102,636,490.25
  5. Step 5: Solve for x
    x = 102,636,490.25/12,498.23
  6. Step 6: Final answer
    x = 8,212.09

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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.