Home / 22,815.40-34,234.06-11,122.24

Finding the Fourth Proportional to 22,815.40, 34,234.06 and 11,122.24

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Solution

The fourth proportional to 22,815.40, 34,234.06 and 11,122.24 is: 16,688.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,815.40 : 34,234.06 = 11,122.24 : x
  2. Step 2: Convert to fraction form
    22,815.40/34,234.06 = 11,122.24/x
  3. Step 3: Cross multiply
    22,815.40x = 34,234.06 × 11,122.24
  4. Step 4: Simplify right side
    22,815.40x = 380,759,431.49
  5. Step 5: Solve for x
    x = 380,759,431.49/22,815.40
  6. Step 6: Final answer
    x = 16,688.70

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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.