Home / 12,788.06-19,174.41-5,000.54

Finding the Fourth Proportional to 12,788.06, 19,174.41 and 5,000.54

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Solution

The fourth proportional to 12,788.06, 19,174.41 and 5,000.54 is: 7,497.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,788.06 : 19,174.41 = 5,000.54 : x
  2. Step 2: Convert to fraction form
    12,788.06/19,174.41 = 5,000.54/x
  3. Step 3: Cross multiply
    12,788.06x = 19,174.41 × 5,000.54
  4. Step 4: Simplify right side
    12,788.06x = 95,882,404.18
  5. Step 5: Solve for x
    x = 95,882,404.18/12,788.06
  6. Step 6: Final answer
    x = 7,497.81

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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.