Home / 16,786.12-25,156.50-6,392.20

Finding the Fourth Proportional to 16,786.12, 25,156.50 and 6,392.20

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Solution

The fourth proportional to 16,786.12, 25,156.50 and 6,392.20 is: 9,579.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,786.12 : 25,156.50 = 6,392.20 : x
  2. Step 2: Convert to fraction form
    16,786.12/25,156.50 = 6,392.20/x
  3. Step 3: Cross multiply
    16,786.12x = 25,156.50 × 6,392.20
  4. Step 4: Simplify right side
    16,786.12x = 160,805,379.30
  5. Step 5: Solve for x
    x = 160,805,379.30/16,786.12
  6. Step 6: Final answer
    x = 9,579.66

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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.