Home / 16,520.38-24,787.90-6,678.88

Finding the Fourth Proportional to 16,520.38, 24,787.90 and 6,678.88

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Solution

The fourth proportional to 16,520.38, 24,787.90 and 6,678.88 is: 10,021.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,520.38 : 24,787.90 = 6,678.88 : x
  2. Step 2: Convert to fraction form
    16,520.38/24,787.90 = 6,678.88/x
  3. Step 3: Cross multiply
    16,520.38x = 24,787.90 × 6,678.88
  4. Step 4: Simplify right side
    16,520.38x = 165,555,409.55
  5. Step 5: Solve for x
    x = 165,555,409.55/16,520.38
  6. Step 6: Final answer
    x = 10,021.28

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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.