Home / 13,961.28-20,924.92-6,555.88

Finding the Fourth Proportional to 13,961.28, 20,924.92 and 6,555.88

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Solution

The fourth proportional to 13,961.28, 20,924.92 and 6,555.88 is: 9,825.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.28 : 20,924.92 = 6,555.88 : x
  2. Step 2: Convert to fraction form
    13,961.28/20,924.92 = 6,555.88/x
  3. Step 3: Cross multiply
    13,961.28x = 20,924.92 × 6,555.88
  4. Step 4: Simplify right side
    13,961.28x = 137,181,264.53
  5. Step 5: Solve for x
    x = 137,181,264.53/13,961.28
  6. Step 6: Final answer
    x = 9,825.84

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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.