Home / 13,286.92-19,929.56-5,495.52

Finding the Fourth Proportional to 13,286.92, 19,929.56 and 5,495.52

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Solution

The fourth proportional to 13,286.92, 19,929.56 and 5,495.52 is: 8,242.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286.92 : 19,929.56 = 5,495.52 : x
  2. Step 2: Convert to fraction form
    13,286.92/19,929.56 = 5,495.52/x
  3. Step 3: Cross multiply
    13,286.92x = 19,929.56 × 5,495.52
  4. Step 4: Simplify right side
    13,286.92x = 109,523,295.57
  5. Step 5: Solve for x
    x = 109,523,295.57/13,286.92
  6. Step 6: Final answer
    x = 8,242.94

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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.