Home / 11,622.20-17,433.06-2,856.78

Finding the Fourth Proportional to 11,622.20, 17,433.06 and 2,856.78

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Solution

The fourth proportional to 11,622.20, 17,433.06 and 2,856.78 is: 4,285.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,622.20 : 17,433.06 = 2,856.78 : x
  2. Step 2: Convert to fraction form
    11,622.20/17,433.06 = 2,856.78/x
  3. Step 3: Cross multiply
    11,622.20x = 17,433.06 × 2,856.78
  4. Step 4: Simplify right side
    11,622.20x = 49,802,417.15
  5. Step 5: Solve for x
    x = 49,802,417.15/11,622.20
  6. Step 6: Final answer
    x = 4,285.11

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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.