Home / 12,850.78-19,262.76-6,267.92

Finding the Fourth Proportional to 12,850.78, 19,262.76 and 6,267.92

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Solution

The fourth proportional to 12,850.78, 19,262.76 and 6,267.92 is: 9,395.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,850.78 : 19,262.76 = 6,267.92 : x
  2. Step 2: Convert to fraction form
    12,850.78/19,262.76 = 6,267.92/x
  3. Step 3: Cross multiply
    12,850.78x = 19,262.76 × 6,267.92
  4. Step 4: Simplify right side
    12,850.78x = 120,737,438.66
  5. Step 5: Solve for x
    x = 120,737,438.66/12,850.78
  6. Step 6: Final answer
    x = 9,395.34

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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.