Home / 10,383.80-15,577.99-3,810.04

Finding the Fourth Proportional to 10,383.80, 15,577.99 and 3,810.04

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Solution

The fourth proportional to 10,383.80, 15,577.99 and 3,810.04 is: 5,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,383.80 : 15,577.99 = 3,810.04 : x
  2. Step 2: Convert to fraction form
    10,383.80/15,577.99 = 3,810.04/x
  3. Step 3: Cross multiply
    10,383.80x = 15,577.99 × 3,810.04
  4. Step 4: Simplify right side
    10,383.80x = 59,352,716.55
  5. Step 5: Solve for x
    x = 59,352,716.55/10,383.80
  6. Step 6: Final answer
    x = 5,715.90

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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.