Home / 10,105.72-15,161.60-6,107.56

Finding the Fourth Proportional to 10,105.72, 15,161.60 and 6,107.56

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Solution

The fourth proportional to 10,105.72, 15,161.60 and 6,107.56 is: 9,163.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,105.72 : 15,161.60 = 6,107.56 : x
  2. Step 2: Convert to fraction form
    10,105.72/15,161.60 = 6,107.56/x
  3. Step 3: Cross multiply
    10,105.72x = 15,161.60 × 6,107.56
  4. Step 4: Simplify right side
    10,105.72x = 92,600,381.70
  5. Step 5: Solve for x
    x = 92,600,381.70/10,105.72
  6. Step 6: Final answer
    x = 9,163.17

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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.