Home / 9,961.40-14,942.11-2,565.88

Finding the Fourth Proportional to 9,961.40, 14,942.11 and 2,565.88

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Solution

The fourth proportional to 9,961.40, 14,942.11 and 2,565.88 is: 3,848.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,961.40 : 14,942.11 = 2,565.88 : x
  2. Step 2: Convert to fraction form
    9,961.40/14,942.11 = 2,565.88/x
  3. Step 3: Cross multiply
    9,961.40x = 14,942.11 × 2,565.88
  4. Step 4: Simplify right side
    9,961.40x = 38,339,586.50
  5. Step 5: Solve for x
    x = 38,339,586.50/9,961.40
  6. Step 6: Final answer
    x = 3,848.82

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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.