Home / 10,388.38-15,573.32-3,813.04

Finding the Fourth Proportional to 10,388.38, 15,573.32 and 3,813.04

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Solution

The fourth proportional to 10,388.38, 15,573.32 and 3,813.04 is: 5,716.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,388.38 : 15,573.32 = 3,813.04 : x
  2. Step 2: Convert to fraction form
    10,388.38/15,573.32 = 3,813.04/x
  3. Step 3: Cross multiply
    10,388.38x = 15,573.32 × 3,813.04
  4. Step 4: Simplify right side
    10,388.38x = 59,381,692.09
  5. Step 5: Solve for x
    x = 59,381,692.09/10,388.38
  6. Step 6: Final answer
    x = 5,716.16

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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.