Home / 14,169.12-21,253.50-6,372.42

Finding the Fourth Proportional to 14,169.12, 21,253.50 and 6,372.42

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Solution

The fourth proportional to 14,169.12, 21,253.50 and 6,372.42 is: 9,558.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,169.12 : 21,253.50 = 6,372.42 : x
  2. Step 2: Convert to fraction form
    14,169.12/21,253.50 = 6,372.42/x
  3. Step 3: Cross multiply
    14,169.12x = 21,253.50 × 6,372.42
  4. Step 4: Simplify right side
    14,169.12x = 135,436,228.47
  5. Step 5: Solve for x
    x = 135,436,228.47/14,169.12
  6. Step 6: Final answer
    x = 9,558.55

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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.