Home / 16,558.20-24,821.10-8,231.40

Finding the Fourth Proportional to 16,558.20, 24,821.10 and 8,231.40

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Solution

The fourth proportional to 16,558.20, 24,821.10 and 8,231.40 is: 12,339.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,558.20 : 24,821.10 = 8,231.40 : x
  2. Step 2: Convert to fraction form
    16,558.20/24,821.10 = 8,231.40/x
  3. Step 3: Cross multiply
    16,558.20x = 24,821.10 × 8,231.40
  4. Step 4: Simplify right side
    16,558.20x = 204,312,402.54
  5. Step 5: Solve for x
    x = 204,312,402.54/16,558.20
  6. Step 6: Final answer
    x = 12,339.05

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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.