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Finding the Fourth Proportional to 12,369.48, 18,550.92 and 3,484.28

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Solution

The fourth proportional to 12,369.48, 18,550.92 and 3,484.28 is: 5,225.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,369.48 : 18,550.92 = 3,484.28 : x
  2. Step 2: Convert to fraction form
    12,369.48/18,550.92 = 3,484.28/x
  3. Step 3: Cross multiply
    12,369.48x = 18,550.92 × 3,484.28
  4. Step 4: Simplify right side
    12,369.48x = 64,636,599.54
  5. Step 5: Solve for x
    x = 64,636,599.54/12,369.48
  6. Step 6: Final answer
    x = 5,225.49

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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.