Home / 16,815.18-25,222.64-6,287.85

Finding the Fourth Proportional to 16,815.18, 25,222.64 and 6,287.85

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Solution

The fourth proportional to 16,815.18, 25,222.64 and 6,287.85 is: 9,431.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,815.18 : 25,222.64 = 6,287.85 : x
  2. Step 2: Convert to fraction form
    16,815.18/25,222.64 = 6,287.85/x
  3. Step 3: Cross multiply
    16,815.18x = 25,222.64 × 6,287.85
  4. Step 4: Simplify right side
    16,815.18x = 158,596,176.92
  5. Step 5: Solve for x
    x = 158,596,176.92/16,815.18
  6. Step 6: Final answer
    x = 9,431.73

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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.