Home / 15,469.10-23,187.94-6,105.40

Finding the Fourth Proportional to 15,469.10, 23,187.94 and 6,105.40

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Solution

The fourth proportional to 15,469.10, 23,187.94 and 6,105.40 is: 9,151.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,469.10 : 23,187.94 = 6,105.40 : x
  2. Step 2: Convert to fraction form
    15,469.10/23,187.94 = 6,105.40/x
  3. Step 3: Cross multiply
    15,469.10x = 23,187.94 × 6,105.40
  4. Step 4: Simplify right side
    15,469.10x = 141,571,648.88
  5. Step 5: Solve for x
    x = 141,571,648.88/15,469.10
  6. Step 6: Final answer
    x = 9,151.90

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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.