Home / 19,995.38-29,960.24-6,840.57

Finding the Fourth Proportional to 19,995.38, 29,960.24 and 6,840.57

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Solution

The fourth proportional to 19,995.38, 29,960.24 and 6,840.57 is: 10,249.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,995.38 : 29,960.24 = 6,840.57 : x
  2. Step 2: Convert to fraction form
    19,995.38/29,960.24 = 6,840.57/x
  3. Step 3: Cross multiply
    19,995.38x = 29,960.24 × 6,840.57
  4. Step 4: Simplify right side
    19,995.38x = 204,945,084.73
  5. Step 5: Solve for x
    x = 204,945,084.73/19,995.38
  6. Step 6: Final answer
    x = 10,249.62

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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.