Home / 12,517.20-17,267.90-7,208.94

Finding the Fourth Proportional to 12,517.20, 17,267.90 and 7,208.94

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Solution

The fourth proportional to 12,517.20, 17,267.90 and 7,208.94 is: 9,944.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,517.20 : 17,267.90 = 7,208.94 : x
  2. Step 2: Convert to fraction form
    12,517.20/17,267.90 = 7,208.94/x
  3. Step 3: Cross multiply
    12,517.20x = 17,267.90 × 7,208.94
  4. Step 4: Simplify right side
    12,517.20x = 124,483,255.03
  5. Step 5: Solve for x
    x = 124,483,255.03/12,517.20
  6. Step 6: Final answer
    x = 9,944.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.