Home / 9,919.73-14,880.49-4,371.76

Finding the Fourth Proportional to 9,919.73, 14,880.49 and 4,371.76

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Solution

The fourth proportional to 9,919.73, 14,880.49 and 4,371.76 is: 6,558.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,919.73 : 14,880.49 = 4,371.76 : x
  2. Step 2: Convert to fraction form
    9,919.73/14,880.49 = 4,371.76/x
  3. Step 3: Cross multiply
    9,919.73x = 14,880.49 × 4,371.76
  4. Step 4: Simplify right side
    9,919.73x = 65,053,930.96
  5. Step 5: Solve for x
    x = 65,053,930.96/9,919.73
  6. Step 6: Final answer
    x = 6,558.03

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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.