Home / 10,180.70-15,272.94-3,605.12

Finding the Fourth Proportional to 10,180.70, 15,272.94 and 3,605.12

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Solution

The fourth proportional to 10,180.70, 15,272.94 and 3,605.12 is: 5,408.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,180.70 : 15,272.94 = 3,605.12 : x
  2. Step 2: Convert to fraction form
    10,180.70/15,272.94 = 3,605.12/x
  3. Step 3: Cross multiply
    10,180.70x = 15,272.94 × 3,605.12
  4. Step 4: Simplify right side
    10,180.70x = 55,060,781.45
  5. Step 5: Solve for x
    x = 55,060,781.45/10,180.70
  6. Step 6: Final answer
    x = 5,408.35

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.