Home / 9,885.43-14,826.61-3,311.68

Finding the Fourth Proportional to 9,885.43, 14,826.61 and 3,311.68

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Solution

The fourth proportional to 9,885.43, 14,826.61 and 3,311.68 is: 4,967.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,885.43 : 14,826.61 = 3,311.68 : x
  2. Step 2: Convert to fraction form
    9,885.43/14,826.61 = 3,311.68/x
  3. Step 3: Cross multiply
    9,885.43x = 14,826.61 × 3,311.68
  4. Step 4: Simplify right side
    9,885.43x = 49,100,987.80
  5. Step 5: Solve for x
    x = 49,100,987.80/9,885.43
  6. Step 6: Final answer
    x = 4,967.01

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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.