Home / 16,767.18-25,150.78-4,286.78

Finding the Fourth Proportional to 16,767.18, 25,150.78 and 4,286.78

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Solution

The fourth proportional to 16,767.18, 25,150.78 and 4,286.78 is: 6,430.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,767.18 : 25,150.78 = 4,286.78 : x
  2. Step 2: Convert to fraction form
    16,767.18/25,150.78 = 4,286.78/x
  3. Step 3: Cross multiply
    16,767.18x = 25,150.78 × 4,286.78
  4. Step 4: Simplify right side
    16,767.18x = 107,815,860.69
  5. Step 5: Solve for x
    x = 107,815,860.69/16,767.18
  6. Step 6: Final answer
    x = 6,430.17

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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.