Home / 16,786.28-25,176.60-5,538.15

Finding the Fourth Proportional to 16,786.28, 25,176.60 and 5,538.15

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Solution

The fourth proportional to 16,786.28, 25,176.60 and 5,538.15 is: 8,306.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,786.28 : 25,176.60 = 5,538.15 : x
  2. Step 2: Convert to fraction form
    16,786.28/25,176.60 = 5,538.15/x
  3. Step 3: Cross multiply
    16,786.28x = 25,176.60 × 5,538.15
  4. Step 4: Simplify right side
    16,786.28x = 139,431,787.29
  5. Step 5: Solve for x
    x = 139,431,787.29/16,786.28
  6. Step 6: Final answer
    x = 8,306.30

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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.