Home / 15,855.38-23,775.90-4,759.89

Finding the Fourth Proportional to 15,855.38, 23,775.90 and 4,759.89

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Solution

The fourth proportional to 15,855.38, 23,775.90 and 4,759.89 is: 7,137.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,855.38 : 23,775.90 = 4,759.89 : x
  2. Step 2: Convert to fraction form
    15,855.38/23,775.90 = 4,759.89/x
  3. Step 3: Cross multiply
    15,855.38x = 23,775.90 × 4,759.89
  4. Step 4: Simplify right side
    15,855.38x = 113,170,668.65
  5. Step 5: Solve for x
    x = 113,170,668.65/15,855.38
  6. Step 6: Final answer
    x = 7,137.68

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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.