Home / 14,167.20-21,250.83-4,306.56

Finding the Fourth Proportional to 14,167.20, 21,250.83 and 4,306.56

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Solution

The fourth proportional to 14,167.20, 21,250.83 and 4,306.56 is: 6,459.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,167.20 : 21,250.83 = 4,306.56 : x
  2. Step 2: Convert to fraction form
    14,167.20/21,250.83 = 4,306.56/x
  3. Step 3: Cross multiply
    14,167.20x = 21,250.83 × 4,306.56
  4. Step 4: Simplify right side
    14,167.20x = 91,517,974.44
  5. Step 5: Solve for x
    x = 91,517,974.44/14,167.20
  6. Step 6: Final answer
    x = 6,459.85

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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.