Home / 16,854.10-25,231.23-12,491.14

Finding the Fourth Proportional to 16,854.10, 25,231.23 and 12,491.14

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Solution

The fourth proportional to 16,854.10, 25,231.23 and 12,491.14 is: 18,699.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,854.10 : 25,231.23 = 12,491.14 : x
  2. Step 2: Convert to fraction form
    16,854.10/25,231.23 = 12,491.14/x
  3. Step 3: Cross multiply
    16,854.10x = 25,231.23 × 12,491.14
  4. Step 4: Simplify right side
    16,854.10x = 315,166,826.30
  5. Step 5: Solve for x
    x = 315,166,826.30/16,854.10
  6. Step 6: Final answer
    x = 18,699.71

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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.