Home / 13,287.87-19,934.78-5,496.75

Finding the Fourth Proportional to 13,287.87, 19,934.78 and 5,496.75

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Solution

The fourth proportional to 13,287.87, 19,934.78 and 5,496.75 is: 8,246.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,287.87 : 19,934.78 = 5,496.75 : x
  2. Step 2: Convert to fraction form
    13,287.87/19,934.78 = 5,496.75/x
  3. Step 3: Cross multiply
    13,287.87x = 19,934.78 × 5,496.75
  4. Step 4: Simplify right side
    13,287.87x = 109,576,474.48
  5. Step 5: Solve for x
    x = 109,576,474.48/13,287.87
  6. Step 6: Final answer
    x = 8,246.35

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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.