Home / 11,622.03-17,432.88-2,856.87

Finding the Fourth Proportional to 11,622.03, 17,432.88 and 2,856.87

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Solution

The fourth proportional to 11,622.03, 17,432.88 and 2,856.87 is: 4,285.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,622.03 : 17,432.88 = 2,856.87 : x
  2. Step 2: Convert to fraction form
    11,622.03/17,432.88 = 2,856.87/x
  3. Step 3: Cross multiply
    11,622.03x = 17,432.88 × 2,856.87
  4. Step 4: Simplify right side
    11,622.03x = 49,803,471.89
  5. Step 5: Solve for x
    x = 49,803,471.89/11,622.03
  6. Step 6: Final answer
    x = 4,285.26

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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.