Home / 11,500.79-17,236.67-4,919.22

Finding the Fourth Proportional to 11,500.79, 17,236.67 and 4,919.22

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Solution

The fourth proportional to 11,500.79, 17,236.67 and 4,919.22 is: 7,372.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,500.79 : 17,236.67 = 4,919.22 : x
  2. Step 2: Convert to fraction form
    11,500.79/17,236.67 = 4,919.22/x
  3. Step 3: Cross multiply
    11,500.79x = 17,236.67 × 4,919.22
  4. Step 4: Simplify right side
    11,500.79x = 84,790,947.20
  5. Step 5: Solve for x
    x = 84,790,947.20/11,500.79
  6. Step 6: Final answer
    x = 7,372.62

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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.