Home / 11,007.40-16,519.20-4,438.30

Finding the Fourth Proportional to 11,007.40, 16,519.20 and 4,438.30

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Solution

The fourth proportional to 11,007.40, 16,519.20 and 4,438.30 is: 6,660.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,007.40 : 16,519.20 = 4,438.30 : x
  2. Step 2: Convert to fraction form
    11,007.40/16,519.20 = 4,438.30/x
  3. Step 3: Cross multiply
    11,007.40x = 16,519.20 × 4,438.30
  4. Step 4: Simplify right side
    11,007.40x = 73,317,165.36
  5. Step 5: Solve for x
    x = 73,317,165.36/11,007.40
  6. Step 6: Final answer
    x = 6,660.72

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.