Home / 16,780.18-25,171.11-6,392.74

Finding the Fourth Proportional to 16,780.18, 25,171.11 and 6,392.74

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Solution

The fourth proportional to 16,780.18, 25,171.11 and 6,392.74 is: 9,589.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,780.18 : 25,171.11 = 6,392.74 : x
  2. Step 2: Convert to fraction form
    16,780.18/25,171.11 = 6,392.74/x
  3. Step 3: Cross multiply
    16,780.18x = 25,171.11 × 6,392.74
  4. Step 4: Simplify right side
    16,780.18x = 160,912,361.74
  5. Step 5: Solve for x
    x = 160,912,361.74/16,780.18
  6. Step 6: Final answer
    x = 9,589.43

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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.