Home / 14,234.06-21,350.28-3,845

Finding the Fourth Proportional to 14,234.06, 21,350.28 and 3,845

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Solution

The fourth proportional to 14,234.06, 21,350.28 and 3,845 is: 5,767.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,234.06 : 21,350.28 = 3,845 : x
  2. Step 2: Convert to fraction form
    14,234.06/21,350.28 = 3,845/x
  3. Step 3: Cross multiply
    14,234.06x = 21,350.28 × 3,845
  4. Step 4: Simplify right side
    14,234.06x = 82,091,826.60
  5. Step 5: Solve for x
    x = 82,091,826.60/14,234.06
  6. Step 6: Final answer
    x = 5,767.28

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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.