Home / 11,546.40-17,295.30-10,315.20

Finding the Fourth Proportional to 11,546.40, 17,295.30 and 10,315.20

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Solution

The fourth proportional to 11,546.40, 17,295.30 and 10,315.20 is: 15,451.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,546.40 : 17,295.30 = 10,315.20 : x
  2. Step 2: Convert to fraction form
    11,546.40/17,295.30 = 10,315.20/x
  3. Step 3: Cross multiply
    11,546.40x = 17,295.30 × 10,315.20
  4. Step 4: Simplify right side
    11,546.40x = 178,404,478.56
  5. Step 5: Solve for x
    x = 178,404,478.56/11,546.40
  6. Step 6: Final answer
    x = 15,451.09

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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.