Home / 11,977.22-17,964.90-4,955.42

Finding the Fourth Proportional to 11,977.22, 17,964.90 and 4,955.42

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Solution

The fourth proportional to 11,977.22, 17,964.90 and 4,955.42 is: 7,432.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,977.22 : 17,964.90 = 4,955.42 : x
  2. Step 2: Convert to fraction form
    11,977.22/17,964.90 = 4,955.42/x
  3. Step 3: Cross multiply
    11,977.22x = 17,964.90 × 4,955.42
  4. Step 4: Simplify right side
    11,977.22x = 89,023,624.76
  5. Step 5: Solve for x
    x = 89,023,624.76/11,977.22
  6. Step 6: Final answer
    x = 7,432.75

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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.