Home / 14,438.93-21,659.90-3,909.03

Finding the Fourth Proportional to 14,438.93, 21,659.90 and 3,909.03

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Solution

The fourth proportional to 14,438.93, 21,659.90 and 3,909.03 is: 5,863.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,438.93 : 21,659.90 = 3,909.03 : x
  2. Step 2: Convert to fraction form
    14,438.93/21,659.90 = 3,909.03/x
  3. Step 3: Cross multiply
    14,438.93x = 21,659.90 × 3,909.03
  4. Step 4: Simplify right side
    14,438.93x = 84,669,179.35
  5. Step 5: Solve for x
    x = 84,669,179.35/14,438.93
  6. Step 6: Final answer
    x = 5,863.95

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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.