Home / 13,226.33-18,252.47-7,258.12

Finding the Fourth Proportional to 13,226.33, 18,252.47 and 7,258.12

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Solution

The fourth proportional to 13,226.33, 18,252.47 and 7,258.12 is: 10,016.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226.33 : 18,252.47 = 7,258.12 : x
  2. Step 2: Convert to fraction form
    13,226.33/18,252.47 = 7,258.12/x
  3. Step 3: Cross multiply
    13,226.33x = 18,252.47 × 7,258.12
  4. Step 4: Simplify right side
    13,226.33x = 132,478,617.56
  5. Step 5: Solve for x
    x = 132,478,617.56/13,226.33
  6. Step 6: Final answer
    x = 10,016.28

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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.