Home / 10,208.57-15,312.85-3,634.81

Finding the Fourth Proportional to 10,208.57, 15,312.85 and 3,634.81

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Solution

The fourth proportional to 10,208.57, 15,312.85 and 3,634.81 is: 5,452.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,208.57 : 15,312.85 = 3,634.81 : x
  2. Step 2: Convert to fraction form
    10,208.57/15,312.85 = 3,634.81/x
  3. Step 3: Cross multiply
    10,208.57x = 15,312.85 × 3,634.81
  4. Step 4: Simplify right side
    10,208.57x = 55,659,252.94
  5. Step 5: Solve for x
    x = 55,659,252.94/10,208.57
  6. Step 6: Final answer
    x = 5,452.21

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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.