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Finding the Fourth Proportional to 12,599.86, 18,898.89 and 3,834.25

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Solution

The fourth proportional to 12,599.86, 18,898.89 and 3,834.25 is: 5,751.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,599.86 : 18,898.89 = 3,834.25 : x
  2. Step 2: Convert to fraction form
    12,599.86/18,898.89 = 3,834.25/x
  3. Step 3: Cross multiply
    12,599.86x = 18,898.89 × 3,834.25
  4. Step 4: Simplify right side
    12,599.86x = 72,463,068.98
  5. Step 5: Solve for x
    x = 72,463,068.98/12,599.86
  6. Step 6: Final answer
    x = 5,751.10

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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.