Home / 16,181.28-24,279.48-8,385.84

Finding the Fourth Proportional to 16,181.28, 24,279.48 and 8,385.84

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Solution

The fourth proportional to 16,181.28, 24,279.48 and 8,385.84 is: 12,582.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,181.28 : 24,279.48 = 8,385.84 : x
  2. Step 2: Convert to fraction form
    16,181.28/24,279.48 = 8,385.84/x
  3. Step 3: Cross multiply
    16,181.28x = 24,279.48 × 8,385.84
  4. Step 4: Simplify right side
    16,181.28x = 203,603,834.56
  5. Step 5: Solve for x
    x = 203,603,834.56/16,181.28
  6. Step 6: Final answer
    x = 12,582.68

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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.