Home / 12,325.20-17,007.46-7,289.60

Finding the Fourth Proportional to 12,325.20, 17,007.46 and 7,289.60

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Solution

The fourth proportional to 12,325.20, 17,007.46 and 7,289.60 is: 10,058.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,325.20 : 17,007.46 = 7,289.60 : x
  2. Step 2: Convert to fraction form
    12,325.20/17,007.46 = 7,289.60/x
  3. Step 3: Cross multiply
    12,325.20x = 17,007.46 × 7,289.60
  4. Step 4: Simplify right side
    12,325.20x = 123,977,580.42
  5. Step 5: Solve for x
    x = 123,977,580.42/12,325.20
  6. Step 6: Final answer
    x = 10,058.87

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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.