Home / 14,185.53-21,278.30-6,396.57

Finding the Fourth Proportional to 14,185.53, 21,278.30 and 6,396.57

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Solution

The fourth proportional to 14,185.53, 21,278.30 and 6,396.57 is: 9,594.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,185.53 : 21,278.30 = 6,396.57 : x
  2. Step 2: Convert to fraction form
    14,185.53/21,278.30 = 6,396.57/x
  3. Step 3: Cross multiply
    14,185.53x = 21,278.30 × 6,396.57
  4. Step 4: Simplify right side
    14,185.53x = 136,108,103.45
  5. Step 5: Solve for x
    x = 136,108,103.45/14,185.53
  6. Step 6: Final answer
    x = 9,594.86

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Similar ratio
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1.5x scale

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.