Home / 16,849.85-25,240.94-8,390.86

Finding the Fourth Proportional to 16,849.85, 25,240.94 and 8,390.86

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Solution

The fourth proportional to 16,849.85, 25,240.94 and 8,390.86 is: 12,569.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,849.85 : 25,240.94 = 8,390.86 : x
  2. Step 2: Convert to fraction form
    16,849.85/25,240.94 = 8,390.86/x
  3. Step 3: Cross multiply
    16,849.85x = 25,240.94 × 8,390.86
  4. Step 4: Simplify right side
    16,849.85x = 211,793,214.79
  5. Step 5: Solve for x
    x = 211,793,214.79/16,849.85
  6. Step 6: Final answer
    x = 12,569.44

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1.5x scale

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.