Home / 16,938.62-25,410.39-5,252.78

Finding the Fourth Proportional to 16,938.62, 25,410.39 and 5,252.78

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Solution

The fourth proportional to 16,938.62, 25,410.39 and 5,252.78 is: 7,879.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,938.62 : 25,410.39 = 5,252.78 : x
  2. Step 2: Convert to fraction form
    16,938.62/25,410.39 = 5,252.78/x
  3. Step 3: Cross multiply
    16,938.62x = 25,410.39 × 5,252.78
  4. Step 4: Simplify right side
    16,938.62x = 133,475,188.38
  5. Step 5: Solve for x
    x = 133,475,188.38/16,938.62
  6. Step 6: Final answer
    x = 7,879.93

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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.