Home / 16,786.70-25,157.33-6,392.78

Finding the Fourth Proportional to 16,786.70, 25,157.33 and 6,392.78

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Solution

The fourth proportional to 16,786.70, 25,157.33 and 6,392.78 is: 9,580.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,786.70 : 25,157.33 = 6,392.78 : x
  2. Step 2: Convert to fraction form
    16,786.70/25,157.33 = 6,392.78/x
  3. Step 3: Cross multiply
    16,786.70x = 25,157.33 × 6,392.78
  4. Step 4: Simplify right side
    16,786.70x = 160,825,276.08
  5. Step 5: Solve for x
    x = 160,825,276.08/16,786.70
  6. Step 6: Final answer
    x = 9,580.52

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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.