Home / 18,429.75-25,433.10-10,046.25

Finding the Fourth Proportional to 18,429.75, 25,433.10 and 10,046.25

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Solution

The fourth proportional to 18,429.75, 25,433.10 and 10,046.25 is: 13,863.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,429.75 : 25,433.10 = 10,046.25 : x
  2. Step 2: Convert to fraction form
    18,429.75/25,433.10 = 10,046.25/x
  3. Step 3: Cross multiply
    18,429.75x = 25,433.10 × 10,046.25
  4. Step 4: Simplify right side
    18,429.75x = 255,507,280.88
  5. Step 5: Solve for x
    x = 255,507,280.88/18,429.75
  6. Step 6: Final answer
    x = 13,863.85

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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.