Home / 12,902.92-19,356.08-4,134.76

Finding the Fourth Proportional to 12,902.92, 19,356.08 and 4,134.76

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Solution

The fourth proportional to 12,902.92, 19,356.08 and 4,134.76 is: 6,202.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,902.92 : 19,356.08 = 4,134.76 : x
  2. Step 2: Convert to fraction form
    12,902.92/19,356.08 = 4,134.76/x
  3. Step 3: Cross multiply
    12,902.92x = 19,356.08 × 4,134.76
  4. Step 4: Simplify right side
    12,902.92x = 80,032,745.34
  5. Step 5: Solve for x
    x = 80,032,745.34/12,902.92
  6. Step 6: Final answer
    x = 6,202.68

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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.