Home / 19,469.72-29,204.58-11,143.94

Finding the Fourth Proportional to 19,469.72, 29,204.58 and 11,143.94

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Solution

The fourth proportional to 19,469.72, 29,204.58 and 11,143.94 is: 16,715.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,469.72 : 29,204.58 = 11,143.94 : x
  2. Step 2: Convert to fraction form
    19,469.72/29,204.58 = 11,143.94/x
  3. Step 3: Cross multiply
    19,469.72x = 29,204.58 × 11,143.94
  4. Step 4: Simplify right side
    19,469.72x = 325,454,087.25
  5. Step 5: Solve for x
    x = 325,454,087.25/19,469.72
  6. Step 6: Final answer
    x = 16,715.91

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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.