Home / 13,226.30-18,252.82-7,258.18

Finding the Fourth Proportional to 13,226.30, 18,252.82 and 7,258.18

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Solution

The fourth proportional to 13,226.30, 18,252.82 and 7,258.18 is: 10,016.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226.30 : 18,252.82 = 7,258.18 : x
  2. Step 2: Convert to fraction form
    13,226.30/18,252.82 = 7,258.18/x
  3. Step 3: Cross multiply
    13,226.30x = 18,252.82 × 7,258.18
  4. Step 4: Simplify right side
    13,226.30x = 132,482,216.78
  5. Step 5: Solve for x
    x = 132,482,216.78/13,226.30
  6. Step 6: Final answer
    x = 10,016.58

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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.