Home / 9,885.24-14,826.78-2,489.70

Finding the Fourth Proportional to 9,885.24, 14,826.78 and 2,489.70

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Solution

The fourth proportional to 9,885.24, 14,826.78 and 2,489.70 is: 3,734.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,885.24 : 14,826.78 = 2,489.70 : x
  2. Step 2: Convert to fraction form
    9,885.24/14,826.78 = 2,489.70/x
  3. Step 3: Cross multiply
    9,885.24x = 14,826.78 × 2,489.70
  4. Step 4: Simplify right side
    9,885.24x = 36,914,234.17
  5. Step 5: Solve for x
    x = 36,914,234.17/9,885.24
  6. Step 6: Final answer
    x = 3,734.28

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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.