Home / 19,867.28-29,797.61-6,540.44

Finding the Fourth Proportional to 19,867.28, 29,797.61 and 6,540.44

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Solution

The fourth proportional to 19,867.28, 29,797.61 and 6,540.44 is: 9,809.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,867.28 : 29,797.61 = 6,540.44 : x
  2. Step 2: Convert to fraction form
    19,867.28/29,797.61 = 6,540.44/x
  3. Step 3: Cross multiply
    19,867.28x = 29,797.61 × 6,540.44
  4. Step 4: Simplify right side
    19,867.28x = 194,889,298.66
  5. Step 5: Solve for x
    x = 194,889,298.66/19,867.28
  6. Step 6: Final answer
    x = 9,809.56

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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.