Home / 14,201.06-21,299.70-3,813.62

Finding the Fourth Proportional to 14,201.06, 21,299.70 and 3,813.62

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Solution

The fourth proportional to 14,201.06, 21,299.70 and 3,813.62 is: 5,719.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,201.06 : 21,299.70 = 3,813.62 : x
  2. Step 2: Convert to fraction form
    14,201.06/21,299.70 = 3,813.62/x
  3. Step 3: Cross multiply
    14,201.06x = 21,299.70 × 3,813.62
  4. Step 4: Simplify right side
    14,201.06x = 81,228,961.91
  5. Step 5: Solve for x
    x = 81,228,961.91/14,201.06
  6. Step 6: Final answer
    x = 5,719.92

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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.