Home / 12,599.20-18,898.70-3,834.12

Finding the Fourth Proportional to 12,599.20, 18,898.70 and 3,834.12

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Solution

The fourth proportional to 12,599.20, 18,898.70 and 3,834.12 is: 5,751.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,599.20 : 18,898.70 = 3,834.12 : x
  2. Step 2: Convert to fraction form
    12,599.20/18,898.70 = 3,834.12/x
  3. Step 3: Cross multiply
    12,599.20x = 18,898.70 × 3,834.12
  4. Step 4: Simplify right side
    12,599.20x = 72,459,883.64
  5. Step 5: Solve for x
    x = 72,459,883.64/12,599.20
  6. Step 6: Final answer
    x = 5,751.15

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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.