Home / 17,309.12-23,870.75-11,338.61

Finding the Fourth Proportional to 17,309.12, 23,870.75 and 11,338.61

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Solution

The fourth proportional to 17,309.12, 23,870.75 and 11,338.61 is: 15,636.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,309.12 : 23,870.75 = 11,338.61 : x
  2. Step 2: Convert to fraction form
    17,309.12/23,870.75 = 11,338.61/x
  3. Step 3: Cross multiply
    17,309.12x = 23,870.75 × 11,338.61
  4. Step 4: Simplify right side
    17,309.12x = 270,660,948.61
  5. Step 5: Solve for x
    x = 270,660,948.61/17,309.12
  6. Step 6: Final answer
    x = 15,636.90

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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.